Científico en un traje protector y máscara, recoge biomateriales del agua, para su análisis, en una placa de Petri - Foto e imagen de stock

Scientist in a protective suit and mask, releases into the pond bio plants for reproduction from a Petri dish

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

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, top view

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

The scientist, in a protective suit and mask, took a plant with tweezers, for a sample and puts it in a Petri dish, close-up

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

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

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

A man in special protective clothing and a mask draws water from a river into a flask after discharges into the river, checking the river for environmental friendliness

A man in a protective suit and mask looks away holding a flask with express test

An environmental laboratory specialist in a protective suit and a mask in a gutter pours a reagent from a flask into water to study the level of pollution

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 test tube in his hands with a green reagent for conducting water analysis against the background of the river

Side view of a man in a protective suit and mask holding a test tube and a pipette with test water on the river after an outdoor accident

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

Environmental biologist in a protective suit and mask examines water from the river for viruses

A man in a protective suit and a respirator against bacteria and viruses sits by the river next to a mobile laboratory for research