Plumbing
- Do the following: - a. Describe how a properly working plumbing system protects our family's health and safety. - b. List five important local health regulations related to plumbing and tell how they protect health and safety. - c. Describe the safety precautions you must take when making home plumbing repairs. 
- Do the following: - a. Make a drawing and explain how a home hot- and cold- water supply system works. Tell how you would make it safe from freezing. - b. Make a drawing and explain the drainage system of the plumbing in a house. Show and explain the use of drains and vents. 
- Show how to use five important plumber's tools. 
- Identify and describe the use of each of the following: washer, retaining nut, plunger (rubber force cup), solder, flux, elbow, tee, nipple, coupling, plug, union, trap, drainpipe, and water meter. 
- Name the kinds of pipe that are used most often in a plumbing system. Explain why these pipes are used. 
- Cut, thread, and connect two pieces of steel pipe. 
- Under the supervision of a knowledgeable adult, solder three copper tube connections using a gas torch. Include one tee, two straight pieces, and one coupling. 
- Do the following: - a. Replace a washer in a faucet. - b. Clean out a sink or lavatory trap. 
