Author Question: At the point where a pipe takes a sharply angled turn, the fittings may be protected with a ... (Read 34 times)

newbem · **on:** Jul 21, 2018

At the point where a pipe takes a sharply angled turn, the fittings may be protected with a ___________________ _ block.

Fill in the blank(s) with correct word

Question 2

___________ heads discharge a fine, uniform spray of water in a full circle or partial circle.

Fill in the blank(s) with correct word