To plan where to route wiring, electricians need to know the direction of the floor joists.

If the scale of a drawing is identified as 1/8″ = 1′ and an interior wall of the drawing measures 3″, then the actual length of the wall is ____.

The approximate method of estimating is often used to help an owner decide whether or not to build.

When estimating the labor costs, you need to determine the ____ for each trade.

Treads are vertical members that provide changes in elevation between two adjacent stairs.

When the detailed estimate is completed, it should be checked by the ____ method.

Staircases that turn 180° incorporate the ____ style of stair.

Butterfly is a common floor joist style used in residential construction.

A ____ is used to indicate the centers of objects such as columns and fixtures.

A section cutting line marks the part of the drawing being cut to create a(n) ____.