Plumber
1. Skills needed: reading drawings, and specifications to determine layout of water supply, waste, and venting systems; Installing, repairing and maintaining domestic, commercial, and industrial plumbing fixtures and systems
2. Tools needed: Drain unblocker, plastic pipe cutter, wrench.
3. Knowledge: Awareness of legal regulations and safety issues
4. Rights: access to healthcare and good working conditions.
Obligations: respecting your customer and performing well on the job.
5. Individual homes and industrial customers.
6. Usually they work alone.