Question

1. - changes the angle of the blade by moving the saw head. used to make a cut through the thickness of a piece of material.

dust spout
bevel scale
fence
blade
power switch
guard
rail
table/miter scale

1. - allows the blade to extend, which gives you the ability to cut boards wider than the saw blade diameter.

dust spout

Explanation:

The bevel scale on a saw is used to change the angle of the blade by moving the saw - head and can be used for cutting through material thickness. For the second question, the mechanism that allows the blade to extend for cutting wider boards is not among the given options, but if we focus on the first question, the bevel scale is the correct answer.

Answer:

1. B. Bevel Scale
2. No correct option provided among the given choices.