Title: Identify types of copper tube.
Course: Plumbing I (17058-I) > Section: Working with Copper Tube and Fittings

Identification should include

- hard copper
- soft copper
- M
- L
- K
- drain, waste, and vent (DWV)
- air-conditioning and refrigeration (ACR).

Process/Skill Questions:

- What is the main difference between type L and type M copper pipes?
- In what parts of a plumbing system is hard copper used?