Tudós védőöltözet és maszk, a háttérben a lefolyó cső, nézi az összegyűjtött penészkezelő létesítmények, hogy tanulmányozza a paramétereket a víz egy Petri-csészében, a fény - Stock fotó és kép

Specialist in a protective suit reports by phone on the results of an environmental study, rear view

Worker in a suit with protection from polluted environment measures radiation with a special device

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

A scientist, in a protective suit, mask and gloves, takes a liquid from the river in test tubes, for a sample, against the background of a drainpipe

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

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

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 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

Terrorist in a protective suit and gloves, pours liquid from a glass tube with poison, for infection, in reservoirs

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

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

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, side view against the background of the river

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

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

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

Man in protective suit and mask crawls out of the sewer after research, front view

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