Welding is a process of using an electric arc to melt filler metal into the parent metal, thereby firmly joining the metals. A weld can be defined as a metal fusion obtained by heating to a suitable temperature, with or without pressure, with or without filler material. It is a manufacturi...
6 Name of the items to be repaired,position and the requiement 15 name some commonly used repairing methods. Weld, grind ,machine ,polish and so on 16 who will be responsible for the damage of the repaired parts if they occur within a few days after the repair? Shipyard 17 what power ...