Eng 401 electrician unit 5 book one

A board made of plaster and covered in paper

• drywall

• steel

• stone

• lime

A hard material made with cement, small stones, sand and water

• drywall

• steel

• stone

• concrete

The hard substance rocks are made from

• drywall

• steel

• stone

• concrete

A board made of thin layers of wood glued together

• drywall

• plywood

• stone

• concrete

A metal that is made from combining iron and carbon

• drywall

• plywood

• steel

• concrete

A block of clay that is baked until it is hard

• drywall

• brick

• steel

• concrete

A substance that comes from trees

• wood

• copper

• mortar

• cement

A mixture of lime, sand and water.

• wood

• plaster

• mortar

• cement

A mixture used to hold bricks or stones together

• wood

• plaster

• mortar

• cement

A mixture of ground limestone and clay.

• wood

• plaster

• mortar

• cement