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MulletVampire's activity in the archive.
I think the standard -- at least in this part of the United States -- calls for copper to be used for supply lines but different sorts of plastics and polymers to be used for waste lines, heating loops and whatnot.
I think the standard -- at least in this part of the United States -- calls for copper to be used for supply lines but different sorts of plastics and polymers to be used for waste lines, heating loops and whatnot.