asian male and female environmental engineers or water plant maintenance technicians working together at a wastewater treatment facility. concept for environmental engineering, wastewater treatment, and clean water solutions. - 污水 個影片檔及 b 捲影像00:12
aerial view water treatment plant for purified water or environment conservation. - 污水 個影片檔及 b 捲影像00:22無人機角度
environmental engineers work at wastewater treatment plants,water management concept. - 污水 個影片檔及 b 捲影像00:13
ms aerial shot of effluent pouring into cuyahoga river / cleveland, ohio, united states - 污水 個影片檔及 b 捲影像00:15美國, 垃圾
two environmental engineers in safety ppe suits work at wastewater treatment plants, employees check water quality in wastewater treatment plants - 污水 個影片檔及 b 捲影像00:09垃圾
ecologists in chemical ppe suits for checking sample of water , collect sample for examination water pollution - 污水 個影片檔及 b 捲影像00:16
aerial view of two environmental engineers work at wastewater treatment plants, water management concept. - 污水 個影片檔及 b 捲影像00:19
safety engineer with red safety uniform and safety harness checking inside of huge tube at the construction site - 污水 個影片檔及 b 捲影像00:23
aerial view of environmental engineers work at wastewater treatment plants, water management concept. - 污水 個影片檔及 b 捲影像00:28
water samples for ph and chlorine levels. environment scientists sample wastewater in a test tube and drop chemicals to test the quality of water, industrial, and environment - 污水 個影片檔及 b 捲影像00:20
ms aerial shot of activated sludge ponds at water pollution control facility in daylight / las vegas, nevada, united states - 污水 個影片檔及 b 捲影像00:28美國, 滿是黏液
aerial view water treatment tank with waste water in sewage treatment plant - 污水 個影片檔及 b 捲影像00:16滿是黏液
aerial view of two environmental engineers work at wastewater treatment plants, water management concept. - 污水 個影片檔及 b 捲影像00:23
aerial view of the solid contact clarifier tank type sludge recirculation in water treatment plant during sunrise - 污水 個影片檔及 b 捲影像00:19
water treatment plant operators sampling measure analyze water from water treatement tank, industrial infrastructure - 污水 個影片檔及 b 捲影像00:10
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 污水 個影片檔及 b 捲影像00:14
blue green algae, cyanobacteria, blooming in lake windermere due to the amount of sewage dumped in the lake and very hot weather, ambleside, lake district, uk. - 污水 個影片檔及 b 捲影像00:06
two environmental engineers work at wastewater treatment plants,water management concept. - 污水 個影片檔及 b 捲影像00:12
asian male and female environmental engineers or water plant maintenance technicians working together at a wastewater treatment facility. concept for environmental engineering, wastewater treatment, and clean water solutions. - 污水 個影片檔及 b 捲影像00:08
the environment engineer team collects wastwater for inspection and analysis, sewage treatment plant - 污水 個影片檔及 b 捲影像00:17
the north river water pollution control plant on the hudson river (sewage treatment plant). - 污水 個影片檔及 b 捲影像00:56美國
two environmental engineers work at wastewater treatment plants,water management concept. - 污水 個影片檔及 b 捲影像00:12
male worker in a protective suit, respirator in yellow ppe suits work at industrial sewage drainage pipes . - 污水 個影片檔及 b 捲影像00:19
aerial view of the solid contact clarifier tank type sludge recirculation in water treatment plant, aerial view water treatment plant for purified water or environment conservation, aerail view of a circle - 污水 個影片檔及 b 捲影像00:15
sustainable energy is used in environmental conservancy. a wastewater treatment plant powered by wind turbines and solar panels near atlantic city in new jersey, usa. aerial video with the wide orbiting-panning cinematic camera motion. - 污水 個影片檔及 b 捲影像00:34