| http://www.w3.org/ns/prov#value | - Fabricating with light and heavy gauge metal such as aluminum, stainless steel, sheet copper and brass, steel, sheet and corrugated iron; heat treating, hot and cold forming of metals; pipe cutting, threading and assembly; repairing installed ventilation ducting; repairing metal, wood and fiberglass boats; installing and repairing insulation and lagging; operating marine sanitation systems
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