As mãos de um assistente de laboratório em luvas de borracha tomam uma amostra de solo no rio - Banco de fotos e imagens

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

The specialists hands in protective clothing hold a plant sample from the bottom of the river and does an express analysis for the presence of harmful

Close-up of a Petri dish with a sample of plants from a pond for research in the hands of a laboratory worker, top view

A man in a protective suit stands in a river and pours water from a test tube into it with a reagent to analyze the level of pollution

Lab worker in protective suit takes water from a river for further analysis

Scientist in a protective suit and gloves, collects water from the river into test tubes, for testing, there is a place for inscription

Scientist in a protective suit and mask, collects biomaterials from the water, for analysis, in a Petri dish

Hands in a protective suit and blue rubber gloves take a sample of algae near the river with tweezers for examination in the laboratory

Close-up of a Petri dish with a sample of plants from a pond for research in the hands of a laboratory worker, top view, on a background of water

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

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

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

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

Environmental laboratory specialist in a protective suit holds a lid and a glass container in which lies a sample of soil for research, close-up

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

A man in a protective suit takes soil samples into a Petri dish from treatment facilities, close-up

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