Who joins the bricks and mortar ?

Who makes houses with ice blocks ?

What is used to make beams,planks, doors and windows ?

Who makes the plan of the house ?

Slate is used as a______ material.

Who makes doors , windows , frames and cupboards of the house ? 

Who paints the house ?

What kind of walls keep the house cool ?

Which of the following is known for its strength and long lasting quality ?

Houses should have proper ___________ system.