Científico en chaleco protector amarillo, uniforme y guantes, recoge materiales del agua, pinzas Petri plato - Foto e imagen de stock

Hands in a protective suit and blue rubber gloves take a sample of algae near the river with tweezers for examination in the laboratory

The specialists hands in protective clothing hold a plant sample from the bottom of the river and does an express analysis for the presence of harmful

A man crouched in a protective suit to take a sample of a plant from water into a Petri dish for laboratory research

Close-up, the hands of a scientist in protective gloves, holding a Petri dish with a green plant from the water, for analysis in the laboratory, close-up, there is a place for the inscription

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

Scientist in yellow protective vest, uniform and gloves, closes the Petri dish, after collecting materials, close-up, against the background of water

The workers hands fix the sleeve and pipe during the heating process, on a wooden background

Close-up of a petri dish with a sample of soil for research in the hands of a laboratory worker, against the backdrop of the environment

Close-up of the hands of the scientist in protective gloves, collect materials with tweezers from the water in a Petri dish, for the sample

A man in a protective suit takes soil samples into a Petri dish from treatment facilities, close-up

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

An environmental laboratory specialist in a protective suit lids a glass container with a soil sample for research

Environmental laboratory specialist in protective suit and mask in a gutter pours water into a flask to study the level of pollution, close-up

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

In the hands of plant samples from the river and its surroundings by a man in a special suit, side view

Laboratory assistant in a protective suit and mask performs an express analysis at the site of contamination of the reservoir