Too Hard to Build., page-29

  1. 22,862 Posts.
    I agree ...

    Once a plumber had to know ...

    Sheetmetal work
    Boilermaker skills
    Roofing and roof drainage
    Stormwater
    Sewage internal and external
    Water pressure pipework
    Gas pressure pipework
    etc

    Nowadays these trade/skills are split up into individual trades.
 
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