Descriptors | Cast-iron pipelines, Pipelines, Cast-iron, Land, Underground, Grey cast-iron, Spheroidal-graphite cast-iron, Design, Installation, Safety measures, Pipes, Pressure testing, Hydraulic tests, Test pressure, Ratings, Pressure, Pipe fittings, Pipe couplings, Corrosion protection, Visual inspection (testing), Cutting, Cleaning, Commissioning |