This applied guidance needs to both the beginning welders and toamateurs. In her all basic information is collected for independent preparation of materials and work on a welding vehicle.A book can be used both for the independent educating and for professional preparation to educational establishment on a profession "welder".She contains basic concepts and determination about all types of welding, including arc, cold and gas, and similarly complete description of connections, applied materials and apparatus. The rules of safe exploitation of portable welding vehicles and industrial technique are considered.