【吳先生】評論
RCP為混擬土管LP鉛管
【劉文鈞】評論
C.I.P.鑄鐵管 (Cast Iron Pipe) G.I.P鍍鋅鐵管 (Galvanized Iron Pipe) P.C. 預力混凝土 (Pre-stressed Concrete) P.C.C.無筋混凝土 (Portland Cement Concrete) R.C.鋼筋混凝土 (Reinforced Concrete) R.C.P.鋼筋混凝土管 (Reinforced Concrete Pipe) S.R.C鋼骨鋼筋混凝土 (Steel Reinforced Concrete)S.S.P.不銹鋼管 (Stainless Steel Pipe) S.G.P碳鋼鋼管(Carbon Steel Pipes)L.P鉛管(lead pipe)