Trabalhador de laboratório em um terno protetor veio ao esgoto e adiciona reagentes para tratamento de água - Banco de fotos e imagens

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 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 and mask in a large sewer took a sample of water for analysis

A man in a protective suit and mask crawls out of the sewer after research

An environmental laboratory specialist in a protective suit and mask holds a case with a mobile laboratory in his hands and goes to the epicenter of the flow of chemicals

A man in a protective suit and a respirator against bacteria and viruses sits by the river next to a mobile laboratory for research

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

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