measure, add, subtract, multiply, find area, figure how many boards to buy, how much roofing to use, how much insulation to use.
yes and also mud was use to build there pit houses
The Chinook used cedar wood to build their houses.
they use bricks
The seastars don't have houses they live on the coral.
wood
wood
Because liquids and gas make lousy houses.
lime,rubber,wood
oak
Native trees
wooden bricks
Houses were made of adobe.