1. Give two properties of acrylic
- Scratches easily, durable
- hard, ductile
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2. Give two properties of oak?
- Hard, tough, durable
- Strong and ductile
3. Give two properties of ash
- Tough, flexible
- Strong and durable
4. Give two properties of polyethene
- Hard, good chemical resistance
- Hard, not chemical resistant
5. What is hardness?
- The ability to with stand indentation, scratches and wear.
- The ability to withstand forces.
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