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| View Original: | Cu pipe leonard.jpg (3443x2288) | |||
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| Keywords: Cu pipe leonard.jpg Copper piping system in a building with intumescent firestop being installed by an insulator Vancouver British Columbia Canada Own 2007-05-22 Achim Hering Firestops Firestop installation equipment Operable firestops Plumbing Caulking Concrete blocks Structural steel Firestops being installed Intumescents Copper pipes | ||||
