Terrorista en un traje de protección y guantes, vierte líquido de un tubo de vidrio con veneno, para la infección, en los reservorios - Foto e imágenes de stock

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

Scientist in a protective suit and mask, on the background of the drain pipe, looking at the collected mold treatment facilities, to study the parameters of water in a Petri dish, in the light

A man in a protective suit takes a sample of water from the river after the release of chemical waste

A man in a protective suit and mask in a large sewer pours reagent from a flask for wastewater treatment

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 biomaterials from the water, for analysis, in a Petri dish

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 a mask in a gutter pours a reagent from a flask into water to study the level of pollution

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

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 a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent

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

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

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

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, top view

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

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 crawls out of the sewer after research