Boards used as edge forms for tilt-up panels are commonly _____.
a. 1 3 or 1 4 lumber
b. 2 3 or 2 4 lumber
c. 2 6 or 2 8 lumber
d. 2 8 or 1 10 lumber
Question 2
Slabs used as casting beds typically have a thickness of _____.
a. 5-1/2 inches
b. 4-1/2 inches
c. 3-1/2 inches
d. 2-1/2 inches