asian chinese technician recording meter reading in tank routine quality control in water bottling factory writing on clipboard - 閥 個照片及圖片檔工業, 水泵
technicians check machine parts valves and power equipment around a lubricant mixing system and talk about maintenance strategies reflecting professional working conditions communication oil field practices sustainable energy awareness esg responsibility - 閥 個照片及圖片檔天然氣, 石油化工廠, 化學品
yellow gas pipe with blue valve handle and flexible hose for safe and efficient energy supply - 閥 個照片及圖片檔氣體, 天然氣, 家庭生活
an engineer in a safety vest using a walkie-talkie and tablet to inspect an industrial plant room - 閥 個照片及圖片檔建築業, 建築地盤, 工業
asian engineer performing pipe system inspection in modern industrial facility. engineer monitoring systems in high-tech industrial facility - 閥 個照片及圖片檔
business man using ladder to close water pipe, water saving concept illustration - 閥 幅插畫檔、美工圖案、卡通及圖標水龍頭
gas nad oil transport to export or import. natural resource mining and pipe working in winter - 閥 個照片及圖片檔原油, 俄羅斯
pressure gauge and pipe at industrial zone, steel pipelines and equipment, pipelines and insulation ,factory and power plant concept. - 閥 個照片及圖片檔天然氣, 水管, 壓力
electrical engineer women working at control room of a modern thermal power plant at factory. - 閥 個照片及圖片檔核能發電廠, 工程師, 按鈕
