| http://www.w3.org/ns/prov#value | - ers, plastic extrusions, tubes, pipe & profile shapes, distributor of pipes, valves & fittings, sheet metal fabrication & hvac contracting, including plumbling, heating, process piping, tanks & pressure vessels, reinforced concrete storm & sanitary pipes, water-cooled pipe fabrication, copper castings & oxygen lances, plastic injection molding & extrusions, including tool & die shop & secondary &
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