Timber

What is the unit of measure for wood or lumber?

• board foot

• board meter

• board inch

• board feet

It is known technically as xylem.

• concrete

• wood

• copper

• rebars

A beam from wall to wall which supports the floor joist.

• girder

• trimmer

• joist

• header

It carries an end portion of a header in a stairwell.

• girder

• sill

• trimmer

• header

The method of drying lumber in a seasoning.

• air drying

• artificial drying