保護服を着た男とマスクは水の質を研究するために試験管に注ぐために彼の手に川から水のピペットを保持しています - ストックフォト＆画像

A scientist in a protective suit and mask collects a sample of water in a flask with a blue liquid

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

Scientist in a protective suit, collects a sample of water in a flask with a blue liquid, close-up, there is a place for the inscription

A scientist in a protective suit and mask, takes a sample of liquid from the reservoir into test tubes

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

Worker in protective suit checks river water for pollution and radiation

A man in a protective suit does an express test-tube test on the river bank

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

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

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

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 and mask holds a flask of green liquid in his hands and shows his thumb up on the background of sewage pipes coming out from the factory

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

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

Environmental laboratory specialist in protective suit and mask took a sample of water in a test tube for research, 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

Laboratory assistant in a protective suit and mask performs an express analysis at the site of contamination of the reservoir