Een man in een beschermend pak, past het masker op de achtergrond van drainpipes, naar voren kijken, met een buis van vloeistof - Stockfoto’s en -afbeeldingen

A man in a protective suit and mask holds a flask of green liquid in his hands and shows his thumb up on the background of sewage pipes coming out from the factory

A man in a protective suit and mask performs an express test for water pollution from a river

A scientist in a protective suit and mask collects a sample of water in a flask with a blue liquid

A man in a protective suit against microbes took a sample of water in a flask

Laboratory worker in a protective suit came to the sewage and adds reagents for water treatment

Close-up, the terrorist in a protective suit and gloves, pours liquid with poison, for infection, in a drainpipe

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

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

A man in a protective suit and mask, on the background of drainpipes, holding a tube of liquid, on the left there is a place for the inscription

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

Environmental laboratory specialist in protective suit and mask took a sample of water in a test tube for research, close-up

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

Environmental laboratory specialist came to the object in a protective suit and mask in his hands holding a briefcase with equipment and reagents

A man in a protective suit and mask talks on the phone, reports on the situation at the scene of an environmental accident

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 and mask stands in the water and measures the level of pollution with the device

A man in a protective suit takes soil samples into a Petri dish from the sewage treatment plant

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