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• Working Drawings and Signs and Symbols 

• Schematic and Block Diagram 

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• Common construction materials (woodworking, masonry construction painting 

• Common construction materials (plumbing, metal works, tile setting)

• Electrical and Electronic Materials

• Common Materials in Automotive and Small Engine Works 

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Parts of a Residential Structure 

Water System Cold Water 

Water System Hot Water 

Drainage-Waste-Vent System