A man in a protective suit and mask looks away holding a flask with express test - Stock Photo & Image

A man in a protective suit and mask holds in his hands a flask with green liquid on the background of sewage pipes coming out from the factory

A man in a protective suit and mask, against the drainpipes, holding a tube of green liquid

A man in protective clothing, looking at a tube of blue liquid, against the drainpipes

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent

Specialist in a protective suit reports by phone on the results of an environmental study, rear view

A laboratory specialist in protective clothing and a mask holds a flask with a green reagent in his hands and does a test for the presence of harmful impurities in a pond

A man in a protective suit and mask took a soil sample from the bottom of the river into a Petri dish

A man in a protective suit takes soil samples into a Petri dish from the sewage treatment plant

A man in a protective suit does an express test-tube test on the river bank

A specialist, in a protective suit and gloves, working with toxic substances, records the results of a sample of liquid from the river, on a sheet on a tablet, against the background of cleaning pipes

The man checks the duration of the protection of the special suit in the conditions of pollution, putting it on

Scientist researcher in protective suit records environmental research after an emergency

Employee in a protective suit and mask conducts a rapid test of water from a river using a mobile laboratory

The scientist, in a protective suit, mask and gloves, took the liquid from the river, for a sample and checks its color, in the light, against the drainpipe

A positive reaction to the test results, a man in protective clothing, shows a good hand in a blue glove, against the drainpipes, close-up

A scientist, in a protective suit, mask and gloves, takes a liquid from the river in test tubes, for a sample, against the background of a drainpipe