mechanical engineer wearing orange safety jacket and white hardhat with laptop and blueprint working on horizontal water tanks at construction site - 水塔 個照片及圖片檔工程師, 工程技術, 檢查
industrial worker or engineer with safety ppe dress working at huge water tank in water treatment factory - 水塔 個照片及圖片檔工業, 安全, 製造業工人
two industrial worker or engineer dress red overal suit and ppe walks up the stairs to perform work at the top of a large water tank, water facility,municipal water treatment plant - 水塔 個照片及圖片檔建築物, 工程師, 工程技術
wooden and metal water tanks on the roof of a building in manhattan, new york state, united states. sunlight. natural colors and patina. - 水塔 個照片及圖片檔紐約市, 城市, 屋頂
mixed preteen girl getting water from rainwater butt for watering homegrown produce at home, sustainable living lifestyle concept - 水塔 個照片及圖片檔節約用水, 家庭生活
top view two environment engineers working on a wastewater treatment system or a sewage treatment process, industrial and environmental - 水塔 個照片及圖片檔污水處理廠, 建築地盤, 建築業
mechanical engineer wearing orange safety jacket and white hardhat with laptop and blueprint working on horizontal water tanks at construction site - 水塔 個照片及圖片檔原油, 氣體, 工業
aerial view/a water treatment pond that treats water before it is used for consumption and consumption. - 水塔 個照片及圖片檔污水處理廠, 技術
a patinated water tank on the top of a building in manhattan, new york state, united states - 水塔 個照片及圖片檔紐約市, 屋頂, 建築物外觀
