Scienziato in una tuta protettiva, raccoglie un campione d'acqua in una fiaschetta con un liquido blu, primo piano, c'è un posto per l'iscrizione - Foto e immagini stock

A man in a protective suit and mask holds a pipette of water from the river in his hands to pour into a test tube to study the quality of water

Employee in a protective suit and mask conducts a rapid test of water from a river using a mobile laboratory

Worker in protective suit checks river water for pollution and radiation

Scientist, in a protective suit and mask, holds a glass flask in his hand, for taking a sample of water in the river, close-up

A man in special protective clothing holds a flask with a chemical substance in front of him

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

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

An environmental laboratory specialist in a protective suit takes a sample of soil from the river bottom with tweezers for research, close-up

Hand of a laboratory assistant in a rubber glove holds a test tube with water taken for analysis

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

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 takes soil samples into a Petri dish from the sewage treatment plant

A man in a protective suit and mask conducts an express test of contaminated water to identify the level of danger to the environmental environment and living organisms

An environmental laboratory specialist in a protective suit and mask stands in the water and measures the level of pollution with the device

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