Medium long shot of two beverage factory chemists wearing mop caps, masks, gloves and white coats taking water sample from plastic bottle
Female chemist with protective mask and white gloves displays tube with fluid sample positive.
Male chemist wearing protective mask, medical hat and gloves using microscope and taking notes at workplace in laboratory
A general shot of a scientist in protective overalls, goggles and masks taking a water sample from a polluted sea
animation - of unrecognizable ecologist in protective coverall and gloves taking sample of water in polluted river or lake with test tube
Taking a water sample. Employee taking a water test. Contaminated water samples in a bottle.
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.
Two scientists in protective suits exploring nature and taking sample of water in river
Slowmo close up of unrecognizable ecologist in protective coverall and gloves taking sample of water in polluted river or lake with test tube
Tilt medium shot of senior Caucasian scientist wearing protective uniform and goggles taking samples of plug plants with tweezer in laboratory
Chemists wearing ppe suits taking sample of plants for toxicity testing, typing in gadget tablet, examining plants leaves. Scientific researching. Biologists in protective uniforms, field laboratory.
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.