metalworking cnc milling machine at work. the mold and die manufacturing process. - 鋼鐵 個照片及圖片檔工業, 工廠, 技術
abstract 3d cube formation on black background. shiny stainless steel material. representation of modern and future technologies with space for text - 鋼鐵 個照片及圖片檔抽象, 背景 - 主題, 立體