




































Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
The 3DEXPERIENCE 3D Sculptor Exam assesses proficiency in using the 3DEXPERIENCE platform to create and refine complex 3D models and sculptures. Topics include digital sculpting, modeling techniques, and the use of various tools for enhancing 3D designs. Candidates will demonstrate their ability to create intricate and detailed models for various applications, including product design, animation, and gaming. This certification is ideal for professionals in the creative industries who wish to demonstrate their expertise in 3D modeling and digital sculpting.
Typology: Exams
1 / 44
This page cannot be seen from the preview
Don't miss anything!





































1. Which of the following best describes the 3DEXPERIENCE platform as it relates to 3D Sculptor? A) A stand-alone sculpting application B) An integrated collaborative environment that supports 3D design and simulation C) A simple image editing tool D) A hardware accessory for 3D printing Explanation: The 3DEXPERIENCE platform is an integrated collaborative environment that supports various aspects of 3D design, including sculpting using 3D Sculptor. (Correct answer: B) 2. What is one key benefit of using 3D Sculptor on the 3DEXPERIENCE platform? A) It limits modeling to only polygon shapes B) It supports advanced organic modeling and freeform surfaces C) It offers only 2D design capabilities D) It does not support collaboration Explanation: A major benefit is its ability to handle organic shapes and freeform surfaces, enabling advanced sculpting. (Correct answer: B) 3. Which type of object is best suited for modeling with 3D Sculptor? A) Rigid mechanical parts only B) Organic shapes and freeform surfaces C) Only text-based graphics D) Flat 2D illustrations Explanation: 3D Sculptor is optimized for organic shapes and freeform surfaces rather than rigid or purely 2D objects. (Correct answer: B) 4. In 3D Sculptor’s user interface, which element is used to navigate the 3D workspace? A) Status bar B) Navigation controls (zoom, pan, rotate) C) File menu only D) Color palette Explanation: Navigation controls such as zoom, pan, and rotate are essential for moving around the 3D workspace. (Correct answer: B) 5. What does the term “direct modeling” imply in the context of 3D Sculptor? A) Importing 2D sketches only B) Editing the mesh geometry directly without underlying history C) Only adjusting color settings D) Using pre-set animations Explanation: Direct modeling means modifying the geometry of the model without a history-based approach, which is fundamental in sculpting. (Correct answer: B) 6. Which tool is primarily used in sculpting to push or pull the surface of a model? A) Extrude tool B) Push/Pull tool C) Fill tool D) Slice tool
Explanation: The Push/Pull tool is designed to move the surface of the model in or out, essential for sculpting. (Correct answer: B)
7. Which sculpting tool is best used to smooth out harsh edges on a model? A) Crease tool B) Inflate tool C) Smooth tool D) Relax tool Explanation: The Smooth tool is specifically designed to soften and blend surface details, reducing harsh edges. (Correct answer: C) 8. When adjusting a brush in 3D Sculptor, what parameter is NOT typically modified? A) Brush size B) Brush strength C) Brush falloff D) Brush currency Explanation: Brush currency is not a parameter; size, strength, and falloff are the primary settings for brush customization. (Correct answer: D) 9. Which of the following brush types is used to create sharp indentations? A) Smooth brush B) Flatten brush C) Pinch brush D) Standard brush Explanation: The Pinch brush is used to create sharper creases and accentuate edges in the model. (Correct answer: C) 10. What is the role of symmetry in 3D Sculptor? A) It restricts modeling to one half of the screen B) It enables simultaneous sculpting on mirrored halves of the model C) It reduces the number of available tools D) It only applies to texture mapping Explanation: Symmetry settings allow the user to sculpt on one side and automatically mirror the changes to the opposite side, saving time. (Correct answer: B) 11. What is voxel-based modeling? A) A technique that uses 2D pixel art in 3D space B) A method of modeling based on volumetric pixels (voxels) rather than polygons C) A form of manual retopology D) A method only used for texturing Explanation: Voxel-based modeling relies on voxels, which are volumetric pixels, to define the model’s shape rather than traditional polygon meshes. (Correct answer: B) 12. Compared to polygon modeling, voxel modeling generally offers which advantage? A) Lower resolution detail B) Infinite resolution with dynamic adjustments C) No need for computing power
B) Crease tool C) Inflate tool D) Relax tool Explanation: The Crease tool is designed specifically to create sharp indentations that simulate creases or wrinkles in the surface. (Correct answer: B)
19. How does the Inflate tool affect the model’s surface? A) It compresses the surface B) It creates depressions C) It expands the area outward, giving volume D) It flattens the surface Explanation: The Inflate tool pushes the surface outward, creating the effect of increased volume in that area. (Correct answer: C) 20. What does using global transformations allow you to do in 3D Sculptor? A) Modify only small areas of the mesh B) Apply changes uniformly across the entire model C) Change only the texture properties D) Increase the brush size automatically Explanation: Global transformations affect the entire model uniformly, useful for overall scaling or rotation. (Correct answer: B) 21. Which of the following deformation techniques adds twists to a model? A) Taper B) Twist modifier C) Bend modifier D) Inflate tool Explanation: The twist modifier is specifically used to apply a twisting deformation along an axis. (Correct answer: B) 22. How is surface continuity maintained during sculpting? A) By using high contrast colors B) By manually drawing every detail C) By using smoothing and relax tools to blend transitions D) By avoiding any deformations Explanation: Smoothing and relax tools help maintain continuous surfaces by blending transitions between different parts of the mesh. (Correct answer: C) 23. Which process involves splitting and merging surfaces to refine mesh topology? A) Texture mapping B) Mesh editing and refinement C) Direct export D) Dynamic topology only Explanation: Mesh editing and refinement include operations such as splitting, joining, and merging meshes to optimize topology. (Correct answer: B)
24. What is the benefit of using Catmull-Clark subdivision in mesh refinement? A) It creates a rough mesh B) It smooths the mesh by subdividing it, creating a higher-resolution surface C) It removes details from the model D) It exclusively adds color details Explanation: Catmull-Clark subdivision refines a mesh by increasing the number of polygons and smoothing out the surfaces for a higher-resolution look. (Correct answer: B) 25. In editing topology, what is an “edge loop”? A) A circular array of textures B) A continuous path of edges that helps define the flow of the surface C) A tool for merging meshes D) A sequence of transformation steps Explanation: An edge loop is a continuous set of edges that follows the contours of the model, important for defining smooth surfaces. (Correct answer: B) 26. What is the purpose of UV mapping in 3D Sculptor? A) To adjust the model’s geometry B) To create a 2D representation for texture application C) To export the model D) To set up lighting Explanation: UV mapping unwraps the 3D model onto a 2D plane so that textures can be accurately applied. (Correct answer: B) 27. Which of the following best describes a good UV mapping practice for organic models? A) Using random UV layouts B) Avoiding seams at critical visual areas C) Placing seams in highly visible areas D) Not unwrapping at all Explanation: Best practices for organic models include strategically placing seams in less visible areas to minimize texture disruptions. (Correct answer: B) 28. What does the Texture Painter tool in 3D Sculptor allow you to do? A) Edit mesh topology only B) Paint textures directly onto the model’s surface C) Control global lighting D) Merge different mesh parts Explanation: The Texture Painter tool is used for applying and editing textures directly on the surface of the 3D model. (Correct answer: B) 29. Which texture channel is responsible for defining the roughness and reflectivity of a surface? A) Diffuse map B) Normal map C) Specular map D) Alpha map Explanation: The specular map controls how reflective or glossy a surface appears by defining its specular highlights. (Correct answer: C)
36. In direct modeling, what is the importance of a “live” feedback system? A) It delays model updates B) It allows immediate visual updates during sculpting C) It permanently locks the model D) It only affects the texture resolution Explanation: Live feedback ensures that changes to the model are updated instantly, allowing for a more intuitive and responsive sculpting experience. (Correct answer: B) 37. Which of the following is an example of a freeform sculpting technique? A) Boolean operations B) Using the Push/Pull tool to shape organic curves C) Creating wireframe structures only D) Applying a fixed grid Explanation: The Push/Pull tool is a common freeform technique used to shape curves and organic surfaces. (Correct answer: B) 38. How does 3D Sculptor integrate with the broader 3DEXPERIENCE platform? A) It functions completely independently B) It shares data management, collaboration, and version control with other applications C) It only exports 2D images D) It does not support file sharing Explanation: The integration allows for seamless data management, version control, and collaboration across various 3DEXPERIENCE applications. (Correct answer: B) 39. Which file format is NOT typically used for exporting 3D models for printing? A) STL B) OBJ C) STEP D) JPEG Explanation: JPEG is an image format and not used for exporting 3D models intended for printing. (Correct answer: D) 40. What is a common performance benefit of using low-resolution proxies during sculpting? A) They add extra details automatically B) They improve software responsiveness by reducing computational load C) They permanently reduce mesh quality D) They disable all textures Explanation: Low-resolution proxies reduce the computational demand, allowing smoother performance when working on high-detail models. (Correct answer: B) 41. Which feature in 3D Sculptor allows you to change the resolution on the fly? A) Fixed topology B) Multi-resolution sculpting C) Static mesh mode D) UV mapping Explanation: Multi-resolution sculpting lets you change the detail level dynamically, optimizing workflow and performance. (Correct answer: B)
42. What is one of the main challenges when working with high polygon counts? A) Simplifying textures B) Managing performance and responsiveness C) Reducing screen size D) Limiting color options Explanation: High polygon counts can slow down performance; managing them is key to maintaining responsiveness during sculpting. (Correct answer: B) 43. How does using a symmetry tool help in sculpting? A) It duplicates textures B) It mirrors changes across one or more axes, ensuring balanced designs C) It automatically exports the model D) It only affects lighting Explanation: The symmetry tool mirrors your sculpting actions, saving time and ensuring that both sides of a model are identical. (Correct answer: B) 44. What is the effect of increasing brush strength? A) It decreases the intensity of the sculpt B) It causes a more pronounced deformation per stroke C) It changes the color palette D) It locks the mesh Explanation: A higher brush strength leads to more noticeable deformations with each stroke, affecting the model more dramatically. (Correct answer: B) 45. Which sculpting tool is best used to create detailed surface textures? A) Standard brush B) Smooth brush C) Texture stamp tool D) Pan tool Explanation: The texture stamp tool is used for applying intricate surface details directly onto the model. (Correct answer: C) 46. What is the primary advantage of using the Relax tool after using detailed sculpting brushes? A) It sharpens the details B) It evens out overly aggressive deformations for a smoother finish C) It adds additional polygons D) It creates new texture layers Explanation: After aggressive detailing, the Relax tool helps smooth out any rough areas to achieve a more natural surface finish. (Correct answer: B) 47. Which brush parameter determines how far the effect of a brush stroke tapers off from its center? A) Brush opacity B) Brush falloff C) Brush speed D) Brush density Explanation: Brush falloff controls how the effect diminishes from the center of the stroke, creating a gradual transition. (Correct answer: B)
54. What is the primary role of subdivision techniques such as Catmull-Clark in sculpting? A) To add color effects B) To smooth the model by increasing mesh density C) To reduce file size dramatically D) To export models faster Explanation: Subdivision techniques increase mesh density and smooth out surfaces, giving a more refined look to the model. (Correct answer: B) 55. What does the term “edge flow” refer to? A) The movement of textures on a surface B) The smooth and logical arrangement of edges that supports deformation and animation C) A feature to export files D) The process of adding shadows Explanation: Edge flow is the arrangement of edges in a manner that supports smooth deformations and optimal animation. (Correct answer: B) 56. In the context of sculpting, what is meant by “surface detailing”? A) The process of erasing the model’s details B) Adding fine features and textures to enhance realism C) Converting the model to a 2D format D) Changing only the lighting setup Explanation: Surface detailing involves the addition of small features and textures that significantly enhance the model’s realism. (Correct answer: B) 57. Which sculpting technique is particularly useful for creating realistic anatomical features? A) Basic extrusions B) Surface detailing with fine brushes C) Rigid block modeling D) Using pre-set shapes only Explanation: Detailed brush work and careful surface detailing are essential for capturing realistic anatomical forms. (Correct answer: B) 58. When preparing a model for 3D printing, why is it important to check mesh density? A) To ensure the colors are correct B) To guarantee that the printed model is strong and has adequate detail C) To convert the file to a 2D image D) To change the file format Explanation: Proper mesh density ensures that the model is both structurally sound and detailed enough for a successful 3D print. (Correct answer: B) 59. What tool is typically used to fix holes or self-intersections in a model before printing? A) Mesh repair tool B) Color adjustment tool C) Lighting editor D) File compressor Explanation: Mesh repair tools are designed to automatically detect and correct errors such as holes or self-intersections that can affect printability. (Correct answer: A)
60. Which file format is most commonly used for 3D printing applications? A) JPEG B) STL C) DOCX D) PDF Explanation: STL is widely recognized and used for 3D printing because it accurately represents the model’s surface geometry. (Correct answer: B) 61. In the context of 3D printing, why is managing object scale important? A) It affects the color distribution B) It ensures that the printed object has the correct dimensions and fit C) It changes the mesh topology D) It only affects texture mapping Explanation: Correct scaling ensures that the final printed object has accurate dimensions, which is critical for functional parts. (Correct answer: B) 62. Which concept is essential when ensuring a model is printable regarding overhangs and supports? A) UV unwrapping B) Printability analysis C) Dynamic topology D) Texture baking Explanation: Printability analysis involves checking for features such as overhangs that may require supports during the printing process. (Correct answer: B) 63. How does the 3DEXPERIENCE Collaborative Platform assist teams? A) It disables file sharing B) It provides tools for version control, project management, and team collaboration C) It converts models to 2D D) It restricts user access Explanation: The platform offers comprehensive collaboration tools that support version control and effective team workflows. (Correct answer: B) 64. What is one advantage of managing design projects within 3DEXPERIENCE? A) It prevents any modifications B) It offers structured data management and secure file sharing C) It limits the number of team members D) It only supports a single file type Explanation: Structured data management and secure file sharing are key advantages, allowing efficient project organization and collaboration. (Correct answer: B) 65. Which of the following file formats is NOT typically imported into 3D Sculptor? A) OBJ B) STL C) STEP D) MP Explanation: MP3 is an audio file format and is not used for importing 3D model data. (Correct answer: D)
72. Which of the following is a common use of real-time rendering engines in 3DEXPERIENCE? A) To delay model updates B) To provide immediate visual feedback during sculpting C) To convert models to 2D D) To export text files Explanation: Real-time rendering engines offer immediate feedback by quickly generating high-quality visualizations as you work. (Correct answer: B) 73. What role do camera setups play in the rendering process? A) They only adjust texture mapping B) They determine the viewpoint and framing of the final render C) They increase the file size only D) They modify mesh topology Explanation: Camera setups define the viewpoint, framing, and depth of field, all of which are critical for creating compelling renders. (Correct answer: B) 74. Which of the following is an example of an advanced brush customization in 3D Sculptor? A) Default brush settings only B) Creating custom brushes with unique alpha maps C) Using only the standard brush D) Limiting the brush to a single size Explanation: Advanced users can create custom brushes with unique alpha maps to achieve specialized sculpting effects. (Correct answer: B) 75. What does simulation-driven deformation refer to in advanced sculpting? A) Static sculpting without any dynamic feedback B) Deforming the mesh based on simulated physical forces for realistic effects C) A tool for changing textures only D) A method for file export Explanation: Simulation-driven deformation applies physics-based simulations to create realistic deformations on the model. (Correct answer: B) 76. How do advanced symmetry techniques benefit complex sculpting tasks? A) They disable mirroring B) They allow for multiple mirror planes and more controlled symmetry during detailed sculpting C) They limit sculpting to one axis D) They remove texture details Explanation: Advanced symmetry techniques enable sculptors to work on complex shapes by supporting multiple mirror planes and controlled symmetry. (Correct answer: B) 77. Which modifier is used to taper a model’s geometry? A) Twist modifier B) Taper modifier C) Inflate tool D) Relax tool Explanation: The Taper modifier adjusts the scale of the geometry gradually along an axis, creating a tapered effect. (Correct answer: B)
78. What is the purpose of custom alpha maps in sculpting? A) To change the model’s topology B) To provide detailed texture patterns for custom brush strokes C) To export models faster D) To set up the file structure Explanation: Custom alpha maps add predesigned texture patterns to brushes, enabling intricate surface detailing. (Correct answer: B) 79. How does using paint layers enhance sculpting? A) It reduces mesh density B) It allows artists to apply multiple textures and effects non-destructively C) It locks the model permanently D) It only applies to lighting Explanation: Paint layers let you work on textures in a non-destructive manner by separating different effects for easier editing. (Correct answer: B) 80. What is the benefit of simulation-driven deformation when working on organic models? A) It restricts modifications to rigid forms B) It creates natural and realistic deformations based on simulated forces C) It automatically adds texture maps D) It prevents any further editing Explanation: Simulation-driven deformation uses physical simulations to create realistic, naturally flowing deformations in organic models. (Correct answer: B) 81. What does the process of surface splitting involve? A) Merging two separate meshes B) Dividing a continuous surface into separate, editable parts C) Exporting the model as a single file D) Converting 3D to 2D Explanation: Surface splitting divides a continuous surface into parts that can be individually manipulated for detailed editing. (Correct answer: B) 82. Which operation is used to join two separate mesh parts? A) Mesh separation B) Mesh merging C) UV unwrapping D) Camera rotation Explanation: Mesh merging combines separate parts of a model into a single, continuous mesh. (Correct answer: B) 83. How do topology loops contribute to a model’s editability? A) They restrict mesh movement B) They provide clear paths for deformation and animation C) They only affect texture mapping D) They increase file size Explanation: Topology loops offer predictable edge flow, which is vital for smooth deformations and effective animation rigging. (Correct answer: B)
Explanation: Proper edge flow is critical for enabling realistic deformations and making the model suitable for animation. (Correct answer: B)
90. What does the term “auto-retopology” refer to? A) A manual process of editing every vertex B) A feature that automatically generates a new, optimized mesh from a high-resolution model C) A function to change textures D) A camera adjustment tool Explanation: Auto-retopology automatically creates a more optimized mesh from a complex, high- resolution model, saving time and effort. (Correct answer: B) 91. What is the main advantage of using the multi-resolution feature during sculpting? A) It restricts sculpting to one detail level B) It allows switching between coarse and fine mesh details for optimized performance C) It disables texture mapping D) It exports the model immediately Explanation: The multi-resolution feature lets you work with different levels of detail, balancing performance and refinement throughout the sculpting process. (Correct answer: B) 92. When applying textures, why is it important to have a well-planned UV layout? A) It automatically increases polygon count B) It ensures textures are applied accurately and without distortion C) It simplifies the mesh repair process D) It only affects lighting settings Explanation: A well-planned UV layout is crucial for accurate texture application, avoiding distortions and mismatches on the model’s surface. (Correct answer: B) 93. Which component of material setup defines the base color of the model? A) Normal map B) Diffuse map C) Specular map D) Bump map Explanation: The diffuse map defines the base color and overall tone of the material on the model. (Correct answer: B) 94. How does baking textures benefit the texturing process? A) It reduces file compatibility B) It consolidates multiple texture layers into one for efficiency C) It increases the polygon count D) It eliminates the need for UV mapping Explanation: Texture baking combines several texture layers into one, making rendering more efficient and reducing computational overhead. (Correct answer: B) 95. Which texture channel is primarily used to simulate surface bumps and irregularities? A) Diffuse map B) Normal map C) Specular map
D) Ambient occlusion map Explanation: The normal map is used to simulate fine surface details like bumps without adding extra geometry. (Correct answer: B)
96. What is one of the best practices when applying multiple texture layers? A) Use only one texture for the entire model B) Maintain separate channels for different material properties C) Randomly blend textures without planning D) Avoid using UV mapping Explanation: Keeping separate channels for different material properties ensures that each aspect of the texture (color, bump, specularity) is applied accurately. (Correct answer: B) 97. Which tool is best for fixing small imperfections after sculpting? A) Mesh merging tool B) Surface repair and smooth tools C) File export wizard D) Camera rotation Explanation: Surface repair tools, along with the Smooth tool, are ideal for fixing minor imperfections after the main sculpting process. (Correct answer: B) 98. In 3D Sculptor, what does the term “global transformation” specifically allow you to modify? A) Only the color channels B) The overall scale, rotation, and position of the entire model C) Individual vertex colors D) Texture layering exclusively Explanation: Global transformation affects the entire model’s orientation and scale, making it easier to reposition or resize the object. (Correct answer: B) 99. When preparing a model for export to a rendering application, why is mesh optimization important? A) It increases the file size B) It ensures that the model renders efficiently without unnecessary detail C) It changes the file format automatically D) It disables texture mapping Explanation: Optimizing the mesh reduces unnecessary details, which helps in achieving faster and more efficient rendering in external applications. (Correct answer: B) 100. Which feature in 3D Sculptor is crucial for ensuring that exported models are printable? A) File naming conventions B) Mesh repair and validation tools C) Color correction tools D) Lighting setup Explanation: Mesh repair and validation tools help ensure that models have the correct thickness and no critical errors before printing. (Correct answer: B) 101. What does “mesh repair” typically address in a model? A) Texture inaccuracies
107. What is the role of access permissions in collaborative projects? A) They randomly change file names B) They control which users can view, edit, or share design data C) They increase the polygon count D) They modify texture quality Explanation: Access permissions ensure that only authorized team members can view or modify project files, maintaining data security. (Correct answer: B) 108. Which file format is preferred for importing detailed mesh data into 3D Sculptor? A) MP B) OBJ C) TXT D) XLS Explanation: OBJ is a widely supported file format for importing detailed mesh data into 3D sculpting applications. (Correct answer: B) 109. How does the 3DEXPERIENCE Platform enhance project documentation? A) It removes all version histories B) It automatically archives design iterations and supports annotation C) It limits file sharing to one user D) It converts models into 2D drawings only Explanation: The platform facilitates thorough documentation by archiving iterations and supporting annotations throughout the project lifecycle. (Correct answer: B) 110. What is one advantage of using cloud-based data management in 3DEXPERIENCE? A) It reduces collaboration capabilities B) It enables real-time sharing and backup of design files C) It prevents file modifications D) It disables model exports Explanation: Cloud-based data management ensures that design files are continuously backed up and can be accessed in real time by authorized team members. (Correct answer: B) 111. In rendering, what does “realistic shading” refer to? A) The process of flattening colors B) Accurately simulating the interaction of light with surfaces to create lifelike visuals C) Ignoring light sources D) Using only a single color for the entire model Explanation: Realistic shading simulates how light interacts with surfaces, enhancing the visual realism of the render. (Correct answer: B) 112. Which component in rendering controls the brightness and darkness of a scene? A) Texture layers B) Lighting setup C) Mesh topology D) UV layout Explanation: The lighting setup directly influences the overall brightness and contrast in a rendered scene. (Correct answer: B)
113. What is one of the main reasons to adjust the field of view in a camera setup? A) To change the file format B) To control the perspective and framing of the final render C) To modify the mesh density D) To alter the texture resolution Explanation: Adjusting the field of view allows you to control how much of the scene is captured and its perspective in the final image. (Correct answer: B) 114. How does adjusting the depth of field affect a rendered image? A) It changes the mesh’s polygon count B) It controls the focus, blurring the background or foreground to emphasize the subject C) It alters the UV layout D) It increases texture details automatically Explanation: Depth of field adjustments help create a focal point by blurring parts of the image, adding a photographic quality to the render. (Correct answer: B) 115. What is the advantage of using real-time rendering during the sculpting process? A) It slows down the workflow B) It provides immediate visual feedback, speeding up design decisions C) It disables texture mapping D) It reduces the model’s polygon count Explanation: Real-time rendering provides immediate feedback on lighting and materials, allowing faster and more informed design decisions. (Correct answer: B) 116. Which element of a camera setup most directly affects the perceived distance in a render? A) Brush size B) Focal length C) Texture opacity D) Mesh color Explanation: The focal length of a camera affects perspective and the sense of distance within the rendered image. (Correct answer: B) 117. In the context of advanced sculpting tools, what is a “custom brush”? A) A brush that only applies preset textures B) A brush that can be designed by the user to include unique patterns or alpha maps C) A brush that locks the model D) A brush that only works in 2D mode Explanation: A custom brush allows users to incorporate their own patterns or alpha maps, tailoring the sculpting tool to their specific needs. (Correct answer: B) 118. What does “adaptive tessellation” enable in advanced sculpting? A) Static mesh resolution B) Dynamic adjustment of mesh resolution based on detail requirements C) Automatic texture removal D) Converting models to 2D sketches Explanation: Adaptive tessellation allows the mesh to automatically adjust its resolution where more detail is needed, ensuring efficiency and precision. (Correct answer: B)