Sárga védő mellény és maszk, egységes és kesztyűt, bezárja a Petri-csészébe, anyaggyűjtés után, közeli - Stock fotó és kép

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

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

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

Close-up of a petri dish with a sample of soil for research in the hands of a laboratory worker, against the backdrop of the environment

Against the background of the suit, the hands of the scientist in protective blue gloves, close the Petri dish with biomaterials

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

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

A specialist in a protective suit holds a suitcase with equipment in his hands and measures the level of water pollution in the river with a special device

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 looks away holding a flask with express test

Close-up of a Petri dish with a sample of plants from a river into which a reagent for express research is poured from a test tube

A man in a protective suit holds a petri dish with a sample for research and took off his glasses to look forward

A man in a protective suit and mask keeps records in a report on the situation at the scene of an environmental accident

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

Environmental biologist in a protective suit and mask examines water from the river for viruses

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 takes a sample of soil from the river bottom with tweezers for research, close-up