Two ecologists wearing protective coveralls and respiratory masks collecting samples of lake water in polluted area with warning biohazard sign
Three ecologists wearing casual clothing exploring lake and taking water sample
Three bio technicians testing for pollutants in a river in woodland wearing full hazard suits and masks as they take water samples
Three ecologists wearing casual clothing exploring lake and taking water sample
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Medium portrait of two laboratory specialists working on water samples at beverage factory and looking at camera
Close up of male hands collecting water samples from natural water stream.
Two ecologists in protective coverall suits and respiratory masks collecting samples of lake water in polluted area into test tube
Slowmo close up of unrecognizable ecologist in protective coverall and gloves taking sample of water in polluted river or lake with test tube
Slowmo shot of female scientist in protective coverall taking sample of water from polluted river into test tube while examining consequences of eco catastrophe
Professional black male scientist biologist in protective workwear analyzing biohazard danger and controlling environmental contamination, sampling polluted mountain river water into test tube.
Biochemist takes a sample of water from the local dirty pond
Ecologist sampling water from the river with test tube
A general shot of a scientist in protective overalls, goggles and masks taking a water sample from a polluted sea
Crop scientists watering soil sample with sprout
Taking a water sample. Employee taking a water test. Contaminated water samples in a bottle.
Slowmo shot of group of scientists in chemical suits placing soil and water samples inside working suitcase while sitting on their laps by river bank with polluted water
Portrait of worried black male biologist in protective suit, mask and gloves testing quality of mountain river water, analyzing water sample into test tube during research in contaminated environment.
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Medium shot of male chemist holding water sample while female coworker filling out technical documentation at beverage plant
Biochemist in suit taking sample of water in test tube while investigating nature with coworkers
Ecologist sampling water from the river with test tube, Biologist wear protective suit and mask collects sample of waste water from industrial, problem environment, scientist environmentalist
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Medium shot of female chemist in protective gloves and mask taking water sample working at bottling plant
Female ecologist wearing protective coverall, respiratory mask, gloves and rubber boots collecting water sample into test tube while examining polluted gulf
Dedicated scientist collecting water sample from polluted river to monitor environmental impact
Three ecologists wearing casual clothing exploring lake and taking water sample then discuss test and noting information
Biochemist in suit taking sample of water in test tube while investigating nature
Chemists wearing ppe suits taking sample of water for toxicity testing, typing in gadget tablet. Scientific researching. Biologists in protective uniforms, field laboratory, water poisoning.
laboratory of ecological expertise, woman specialist is checking water samples on toxic and hazardous, using microscope for researching
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Medium long shot of two beverage factory chemists wearing mop caps, masks, gloves and white coats taking water sample from plastic bottle
Slowmo shot of group of ecologists in chemical repellent suits examining river bank of polluted biohazard area taking water and soil samples and having discussion
People wearing protective white suits taking soil and water samples for testing. Medical examiners in ppe working near riverbank, making analysis. Chemical danger, nature researching.
Three bio technicians testing for pollutants in a river in woodland wearing full hazard suits and masks as they take water samples
Two scientists in protective suits exploring nature and taking sample of water in river
Trumpetfish samples swim over rocky bottom in turquoise water
two chemists are testing samples of water during ecological and chemical expertise in laboratory of scientific institute
Professional charming asian biologist woman with digital tablet in protective suit, mask and gloves working on water analysis, examining test tubes with samples of polluted water on mountain river.
Biochemist takes a sample of water from the local dirty pond
Chemist in ppe taking water analysis from swamp, using flask and pipette, wearing protective suit and medical gloves, sample for toxicity testing. Scientific researching, field laboratory.
Biochemist in suit taking sample of water in river in test tube while investigating nature with coworkers
Ecologist sampling water from river with test tube glass and have white smoke, Biologist collects sample waste water from industrial of toxic chemicals, scientist environmentalist, problem environment
Scientist use water samples from a reservoir in test tubes. For scientific water research
Close up of serious middle eastern scientist in white lab coat inspecting artificial meat sample from petri dish, dispensing some water with dropper on it, waiting for reaction
Ecologist sampling water from the river with test tube, Biologist wear protective suit and mask collects sample of waste water from industrial, problem environment, scientist environmentalist
Medium slowmo portrait of African-American male scientist in chemical suit, respiratory mask and googles examining test tube with water sample then looking at camera working at biohazard territory
Professional ecologist in protective coverall, respiratory mask and gloves collecting water sample into test tube from polluted gulf
Full shot of environmental specialists in protective uniform collecting material with water samples from polluted area for further quality control test
A lab assistant at the chemistry desk is using a variety of tools to check the quality of water before it goes on sale
Two biologist in biohazard suits and masks sampling water from a stream or river pipetting a sample into a test tube for chemical analysis of pollutants