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Grade 9 Grade 11 College Continuing Education

Continuing Education Plumbing Questions

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Continuing Education Plumbing
Continuing Education Plumbing
Continuing Education Plumbing
Continuing Education Plumbing
Air Admittance Valves are certified to reliably open and close a minimum of
  1. 100,000 times.
  2. 200,000 times.
  3. 400,000 times.
  4. 500,000 times.
Continuing Education Plumbing
Continuing Education Plumbing
The inside of fittings used in a DWV system must be
  1. filed.
  2. coated.
  3. smooth.
  4. back welded.
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