Vista lateral de un hombre con traje protector y máscara sosteniendo un tubo de ensayo y una pipeta con agua de prueba en el río después de un accidente al aire libre - Foto e imágenes de stock

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

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

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

The scientist, in a protective suit, mask and gloves, takes the liquid from the river in test tubes, for a sample

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

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

The scientist, in a protective suit, mask and gloves, took the liquid from the river, for a sample and checks its color, in the light, against the drainpipe

Laboratory assistant in a special protective suit in the open air measures the level of environmental pollution with the device

The scientist, in a protective suit and mask, took a plant with tweezers, for a sample and puts it in a Petri dish, close-up

The employee of the chemical laboratory in special clothes writes in a notebook the result of his observations at the place of work

A specialist in a protective suit, is measuring the device, holding it in his hands, against the background of cleaning pipes

A man in a protective suit and mask from bacteria and viruses drops reagent from a pipette into the river water during an express analysis for contamination

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

Scientist in a protective suit and mask, collects materials from the pond in a Petri dish

Specialist in a gray protective suit and mask, on the pond, takes a sample of liquid in tubes, close-up, there is a place for the inscription

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