Sheet Metal Workers Union
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Sheet Metal Workers Union
Homestead High School Boiler Plant
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Homestead High School Boiler Plant
Kennedy High School Welding Lab
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Kennedy High School Welding Lab
Napa Valley College Central Chilled Water Plant
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Napa Valley College Central Chilled Water Plant
College of the Siskiyous Welding Lab
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College of the Siskiyous Welding Lab
Bus Barn
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Bus Barn