#plumbing__plumbery the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building)
supertype: trade.line_of_work__craft the skilled practice of a practical occupation; "he learned his trade as an apprentice"
part of: construction.business_enterprise__building the commercial activity involved in constructing buildings; "their main business is home construction"; "workers in the building trades"
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