Egy védőöltözetben és maszkban lévő tudós mintát vesz a tartályból a kémcsövekbe. - Stock fotó és kép

A man in a protective suit does an express test-tube test on the river bank

A man in a protective suit and respirator analyzes the water from the river in a portable laboratory using special reagents

Scientist, in a protective suit and mask, pours liquid from a test tube into a flask, for testing water

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

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

Worker in protective suit checks river water for pollution and radiation

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

Employee in a protective suit and mask conducts a rapid test of water from a river using a mobile laboratory

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

A man in a protective suit and mask holds a test tube and a pipette with test water on the river after an accident

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

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

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

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

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 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

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