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Which material is a natural insulator and can help reduce energy needs when used in windows, doors, and floors?

• Timber

• Concrete

• Brick

• Steel

What are the two categories timber can be divided into?

• Metal and Plastic

• Stone and Concrete

• Hardwoods and Softwoods

• Glass and Ceramics

Which type of timber is relatively inexpensive and suitable for wide use?

• Mahogany

• Walnut

• Pine

• Oak

What is one advantage of using timber as a construction material?

• Non-renewable resource

• Requires a great deal of energy

• Renewable resource

• Slow growth rate

Which type of wood is used for heavy patterned doors and windows?

• Mahogany

• Bamboo

• Cedar

• Plywood

What is the main advantage of using softwood timber?

• High strength

• Durable

• Good thermal insulating

• Relatively inexpensive

What is the main reason timber is considered a renewable resource?

• Slow growth rate

• Requires a great deal of energy

• Stores the excess carbon

• Non-renewable resource

Which type of wood is known for its aesthetic appeal and can be stained, painted, or coated?

• Cherry

• Oak

• Fir

• Spruce

What is the main advantage of using timber in construction compared to stone or concrete?

• Faster growth rate

• Easier to maintain

• Good thermal insulating

• Relatively high strength

Which country categorizes wood into hardwood and heavy, medium hardwood, light hardwood, and softwood?

• Malaysia

• Canada

• USA

• Australia