- Make a diagram showing the plumbing system of a four-room house which includes fixtures for the kitchen, bathroom, and laundry.
- Submit two pieces of iron pipe that you have threaded and connected with proper fitting.
- Submit a repaired plastic (PVC), iron, or copper pipe, and tell how to repair all three.
- Demonstrate ability to repair a leaky sink faucet and replace or repair toilet flush mechanisms.
- Describe the proper drainage system of the house in #1 and explain the use of traps and vents.
- Have a knowledge of the ordinary hot and cold water system of a house and explain how to make the system safe from freezing if the house has to be left without heat during the winter.
- Diagram at least one type of passive water heating system, such as the use of solar energy.
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