Exam (elaborations)
Plumbing Red Seal Questions with complete solutions
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Trap arms and fixture drains are to be installed with roughly _____ of an inch downward slope for every foot of trap arm length - 1/4" per foot less than 3" - 1/8" per foot 4" and higher What can put a great deal of stress on your neck, shoulders, back, and legs when lifting heavy objects? -...
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