1.Context and history of the development of the standards -- 2. Members of the Technical Skills Committee for Plumbing -- 3. Description and scope of the plumbing profession -- 4. Map of minimum occupational standards map for the plumbing profession -- 5. General data of harmonized minimum occupational standards for plumbing -- A. Assistant plumber -- Perform basic plumbing operations -- Carry out basic piping work -- Install basic equipment (appliances and accessories) -- Carry out preventive maintenance work on sanitary appliances -- B. Plumber -- Carry out piping -- Lay pipe on the project site -- Installing complex equipment -- Carry out maintenance work on simple sanitary appliances -- C. Master plumber -- Organize plumbing work -- Carry out remedial maintenance work on complex sanitary appliances -- 7. General guidelines for assessment -- 8. Glossary.