middle-aged male blacksmith heating metal in forge indoors workshop with tools and warm lighting - 熔鐵爐操作員 個照片及圖片檔
stainless steel weld clean for tig and mig welding. a male african american metal worker smoothing the surface of construction frames finishing during welds by wire brush (steel wire) in a metal plant fabrication. - 熔鐵爐操作員 個照片及圖片檔
metals fabrication and welding technology essential skills. a male african american welder checking the accuracy of a metal frame parts surface during welds processing in a metal plant. - 熔鐵爐操作員 個照片及圖片檔
precision measuring tools in industrial metalworking. side view of a male african american metal worker measuring the length and width of a construction beam with a stainless measuring tape in a metal plant fabrication. - 熔鐵爐操作員 個照片及圖片檔
structural steelwork and metal fabrication. low-angle view of a male african american industrial worker inspecting a metal grate finishing during the welds process in a metal plant. - 熔鐵爐操作員 個照片及圖片檔
