... friendl Diathermy Furnace: applicable to forging, shaping, welding and annealing of bars, tubes, wires and metal parts Intermediate Frequency ... equipments are applicable to the forging, shaping, welding and annealing of bars, tubes, wires and metal parts of all ... , blades welding of cutting, drilling and grinding tools; annealing, lacquering as well as plastic application of electromagnetic wires; ...