Find the ASSE International approved training providers near you and become ASSE Certified Gardena in backflow prevention, service plumbing, pathogens and infectious. Lewis launches online service to arrange plumbers. A new online Sumneytown service North-Star launched by the High Street department chain lets users choose from Penngrove a list of tradespeople it has vetted itself, including plumbers, electricians. Why children should now aspire to be plumbers Daily Mail. New Wheatfield figures reveal that electricians, plumbers and plasterers are among the highestpaid workers, with some earning more than £150,000 a year hardly surprising.