As a Plumber, you will need to master following:

• attach PEX pipe
• check water pressure
• install PVC piping
• interpret 2D plans
• replace faucets
• snap chalk line
• transport construction supplies
• types of piping

More generally, a plumber is also versed in:

• clear out drains
• follow health and safety procedures in construction
• inspect construction supplies
• install metal gas piping
• install plumbing systems
• interpret 3D plans
• place sanitary equipment
• plumbing tools
• prepare copper gas-lines pipes
• use measurement instruments
• use safety equipment in construction
• use welding equipment
• work ergonomically

It also helps to know the following:

• monitor stock level
• process incoming construction supplies
• protect surfaces during construction work
• set up temporary construction site infrastructure
• set up water filtration system
• types of heat pumps
• use metal bending techniques
• use sander
• work in a construction team
• answer requests for quotation
• apply a protective layer
• apply proofing membranes
• calculate needs for construction supplies
• consult technical resources
• cut metal products
• cut wall chases
• install solar water heater
• keep personal administration
• keep records of work progress
• maintain work area cleanliness
• order construction supplies
• water pressure