1. Rubber: Rubber is a natural or synthetic material that is known for its elasticity and resistance to heat and electricity. It is commonly used in tires, footwear, hoses, and electrical insulation.

2. Glass: Glass is a hard, brittle material that is formed by cooling molten silica and other ingredients. It is transparent and non-conductive, making it suitable for windows, bottles, and other applications.

3. Wood: Wood is a hard, organic material that comes from trees. It is a poor conductor of electricity and heat, which is why it is often used in construction, furniture, and musical instruments.