wearing a flame-resistant suit and safety mask, a technician grinds metal in a controlled industrial environment. sparks light up the scene, capturing both the power of machinery and the importance of workplace protection. - 鋼鐵廠 個照片及圖片檔生產線, 技能
engineers or technicians check the quality of steel coils or aluminum coils placed on the production line waiting to be formed into machines. production line worker working in manufacturing at a steel fabrication plant or steel industry. - 鋼鐵廠 個照片及圖片檔職業
