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Science
Chapter 12
| Question | Answer |
|---|---|
| Define symmetry | An exact reflection on opposite sides of a line dividing an object in half |
| Define line of symmetry | A line that divides an object in half; helps display symmetry |
| Define aesthetics | The concept of how visually attractive or beautiful something is |
| Define ergonomics | The science of using knowledge of human characteristics to design structures and systems that are comfortable, safe and efficient |
| Define repetitive strain injury | Damage, usually to the small muscles of the of the wrists or hands from repeated activities over a long period of time |
| Define universal design | An arrangement of the components of a structure or device resulting in the most user-friendly product possible |
| What 3 important factors do companies consider when they build or redesign a product? | Design, manufacturing and sales |
| Symmetry is an important principle of ______? | Nature |
| Why is symmetry useful in the design of structures? | It makes them attractive and stable |
| Why is ergonomics important? | Faster, more accurate and fewer injuries |
| What are the principles of ergonomics design? | Allow workers to change their position, reduce the amount of force or effort the task requires and promote good posture for the body |
| What are the main principles of universal design? | Equal for all users, simple to use, ergonomic, safe and tolerant of errors, flexible (wide range of abilities and choices) |
| What are the | |
| What are the 4 manufacturing factors? | Suitability of materials, availability and cost of materials, shipping, and disposal |
| what are the 4 sales factors? | Packaging, design, displays and labelling, sale price, advertising and customer support |
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cog
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