Muž v chemickém ochranném obleku a respirátor pod širým nebem ukazuje stopku oběma rukama. Znečištění ovzduší. Koncepce čínského pandemického koronaviru. - Stock fotografie a obrázky

A man in a chemical protective suit and a respirator in the open air shows a stop gesture with his hands. Passage is forbidden. Air pollution. Danger of infection.

A man in a chemical protective suit, respirator and protective gloves looks at a sample in a test tube. Collecting a sample in a test tube for further research in the laboratory.

Exterminator in uniform and protective mask looking at camera against sky

Weed control. Industrial agriculture researching. Man with digital tablet in protective suite and mask taking weed samples in the field. Natural hard light on sunny day.

Confident male scientist in protective mask, googles and suit standing with hands on waist in meadow

Scientist dosimetrist (radiation supervisor) in protective clothing and gas mask with geiger counter checks the level of radioactive radiation in the danger zone

Man in protective mask and uniform writing while holding clipboard

An alien with green ears in a gas mask points at the flower in surprise. An alien is studying earth. UFO.

A scientist in a chemical protective suit and respirator collects a sample of contaminated water in a test tube. Scientific research in the radioactive zone. Danger zone. Nuclear waste. Chernobyl.