Material-working and material-processing, machining, metal cutting, electro erosion trenching, smithing, metal casting, hardening and drawing, metal splicing-welding, brazing, soldering, cladding, acquirements about material-working and processing-consultant services in foundry industry
Treatment of MaterialsTesting of materials-penetration, X-ray testing, bursting tests, hardness tests, another metal-material tests included in this class
Computer and Scientific