Un hombre en un traje de protección y máscara, en el fondo de las tuberías de drenaje, sosteniendo un tubo de líquido, a la izquierda hay un lugar para la inscripción - Foto e imagen de stock

A man in a protective suit and mask holds in his hands a flask with green liquid 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

Epidemiologist in a protective suit and mask looks at a sample of the earth in a glass flask

Laboratory worker in a protective suit and breathing apparatus crawls out of the pipe, side view

A positive reaction of the test results, a man in protective clothing, shows a good hand in a blue glove, against the background of drainpipes

A man in a protective suit and mask, against the drainpipes, holding a tube of green liquid

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

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

Scientist in protective clothing, with a suitcase out of the drain pipe, which took a sample for testing

Environmental laboratory specialist in protective suit and mask talking on the phone and pointing at emergency site

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

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

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

An environmental laboratory specialist in a protective suit and mask holds a case with a mobile laboratory in his hands and goes to the epicenter of the flow of chemicals

Environmental specialist in a protective suit and mask took a sample of wastewater water to study the level of pollution

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 and mask crawls out of the sewer after research