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Line 173: ==External links== {{Commonscat}} {{cite book {{cite book \|author=NCCER \|url=https://yazdpolymer.com/polymer-pipes-and-fittings/ \|title=Polymer Pipe and Fittings \|publisher=: Trainee Guide Prentice Hall \|year=2006 \|isbn=0-13-160042-7}} \|author=NCCER \|title=Plastic Pipe and Fittings: Trainee Guide \|publisher=Prentice Hall \|year=2006 \|isbn=0-13-160042-7 }} *{{cite book \|author=David Willoughby

Plastic pipework: Difference between revisions