Vědec v ochranném obleku a masce, sbírá vzorek vody ve zkumavkách, na pozadí odvodňovacích trubek, je místo pro nápis - Stock fotografie a obrázky

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

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

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

Environmental protection company employee makes measurements of river water purity

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

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

Scientist, in a protective suit and mask, holds a glass flask in his hand, for taking a sample of water in the river, close-up

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

An environmental laboratory specialist in a protective suit takes a sample of soil from the river bottom with tweezers for research, close-up

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 a respirator against bacteria and viruses sits by the river next to a mobile laboratory for research

A man in a protective suit and mask keeps records in a report on the situation at the scene of an environmental accident

A man in a protective suit and mask conducts an express test of contaminated water to identify the level of danger to the environmental environment and living organisms

Close-up of a Petri dish with a sample of plants from a river into which a reagent for express research is poured from a test tube

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 and a respirator in goggles holds in his hands test tubes with reagents and test samples in the open air in an unfavorable area on the river