L'uomo controlla la durata della protezione della tuta speciale nelle condizioni di inquinamento, mettendola su - Foto e immagini stock

Laboratory assistant in a special protective suit in the open air measures the level of environmental pollution with the device

Scientist in a protective suit and mask, holding a set of test tubes with water samples treatment facilities, on the background of water, on the right there is a place for the inscription

Scientist in a protective suit and mask, collects materials from the pond in a Petri dish

The scientist, in a protective suit, mask and gloves, takes the liquid from the river in test tubes, for a sample

A specialist in a protective suit holds a suitcase with equipment in his hands and measures the level of water pollution in the river with a special device

An environmental laboratory specialist in a protective suit and mask stands in the water and measures the level of pollution with the device

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, side view against the background of the river

A man in a protective suit holds a test tube in his hands with a green reagent for conducting water analysis against the background of the river