To add strength to the stair assembly, a pressure-treated 2 x 4 may be fastened to the floor to serve as a _____

a. ledger
b. brace
c. strongback
d. purlin


a

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With the help of sketches and notes, describe various foundation systems that cover the entire footprint of the building.

What will be an ideal response?

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Commercial central heating and cooling systems refer to:

A) Structures used for businesses in general. B) Single-story office buildings only. C) Single- to three-story office buildings only. D) Retail shopping malls only.

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Batteries should be charged in segregated areas designated just for battery charging.