aerial view shot of two diverse environmentalists at a wastewater treatment plant in the industrial estate checking the quality of the water. - 污水 個照片及圖片檔污水處理廠, 鳥瞰, 檢查
aerial view of the solid contact clarifier tank type sludge recirculation in water treatment plant - 污水 個照片及圖片檔工業, 建築物, 工廠
close-up scientist hand with nitrile glove collect sample wastewater into a flask for laboratory water analysis, industrial and environmental concept - 污水 個照片及圖片檔污水處理廠, 檢查
two engineers wearing safety gear are inspecting and discussing documents on a clipboard while standing on a platform at an industrial water treatment facility, water management and environmental engineering - 污水 個照片及圖片檔污水處理廠, 工程師, 工廠
manhole cover open in street and repair of roads. accident with sewer hatch in city - 污水 個照片及圖片檔排水, 服務, 街道
aerial image showing swirling water patterns at a waste management facility, arizona, united states of america - 污水 個照片及圖片檔污水處理廠, 鳥瞰, 技術
aerial view of the solid contact clarifier tank type sludge recirculation process in water treatment plant - 污水 個照片及圖片檔污水處理廠, 工業, 鳥瞰
a young male engineer wearing an orange safety jacket is inspecting the piping system by walking around and checking it. - 污水 個照片及圖片檔污水處理廠, 職業, 工業
powerful water flowing from a large pipe using a water pump for agricultural use in paddy fields. - 污水 個照片及圖片檔水質污染, 污染
two male structural experts inspect large drainage pipes while carrying a toolbox and a blueprint before sending it to pre-construction for the next process. - 污水 個照片及圖片檔建築地盤, 建築業, 排水
top view two environment engineers working on a wastewater treatment system or a sewage treatment process, industrial and environmental - 污水 個照片及圖片檔污水處理廠, 水塔, 建築地盤
aerial view/a water treatment pond that treats water before it is used for consumption and consumption. - 污水 個照片及圖片檔污水處理廠, 水塔, 技術
mechanical engineer with green safety vest hard hat hold laptop working at piping site line, industrial piping installation - 污水 個照片及圖片檔檢查, 工程師
aerial view shot of two diverse environmentalists working on the sunlight at a wastewater treatment plant in the industrial estate by walking around and checking the quality of the water - 污水 個照片及圖片檔污水處理廠, 檢查, 工程師
a construction worker wearing a safety harness and hard hat with toolbox checks a large drainage pipe at a construction site. - 污水 個照片及圖片檔建築地盤, 風險, 地底下
two engineers are working at the construction site of the chemical plant under construction - 污水 個照片及圖片檔建築地盤, 建築業, 污水處理廠
aerial view/a water treatment pond in the water supply that turns natural water for consumption. - 污水 個照片及圖片檔污水處理廠, 圓形, 技術