| http://www.w3.org/ns/prov#value | - 10) Install pipe assemblies, fittings, valves, appliances such as dishwashers and water heaters, and fixtures such as sinks and toilets, using hand and power tools.11) Cut openings in structures to accommodate pipes and pipe fittings, using hand and power tools.12) Hang steel supports from ceiling joists to hold pipes in place.13) Repair and maintain plumbing, replacing defective washers, replacin
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