Egy különleges védőruhás férfi és egy maszk vizet von a folyóból egy lombikba, miután a folyóba engedte, ellenőrizve a folyót, hogy környezetbarát-e. - Stock fotó és kép

Specialist in a protective suit stands in the river and holds in his hands a briefcase with a portable laboratory and a tablet for recording results, close-up

Scientist, in a protective suit and mask, collects water from the river for testing, in test tubes

Scientist in a protective suit and gloves, collects water from the river into test tubes, for testing, there is a place for inscription

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

A man in a protective suit stands in a river and pours water from a test tube into it with a reagent to analyze the level of pollution

Hands of a laboratory assistant in rubber gloves take a soil sample on the river

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 specialist in a protective suit and respirator analyzes the water in the river near the existing plant, using a flask and a pipette

Scientist, in a protective suit and mask, pours liquid from a test tube into a flask, for testing water, against the background of pipes

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 special protective clothing against chemical contamination measures the level of pollution with the help of instruments

The workers hands in white gloves, carry a cart, on the repair section of the road

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

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

Mobile laboratory specialist in a protective suit does a water analysis on the river bank