Kékfolyadékot vizsgáló tudományos laboratórium munkatársa kémcsőben, káros előjellel - Stock fotó és kép

Woman in protective suit examining green liquid ionizing radiation, illegal lab

Worker of illegal fuel lab holding in hands test tube with flammable additive

Female lab worker showing test tube with detergent, chemistry, caution sign

Medicine, health and pandemic concept - close up of young female doctor or scientist in protective medical mask, face shield and glove holding beaker with virus test

Lab assistant in protective suit studying sample of detergent, research work

Worker of scientific lab holding test tube with biological hazard sign, harm

Scientist in gas mask holding test tube with dangerous substance, biohazard

Laboratory assistant pouring petrochemical into test tube, petroleum industry

Chemist visually checking presents of sediments and oil product consistency

Lab assistant wearing glasses, reflection of test tubes with chemical substance

Worker of disease control center going to study toxic blood for cure invention

Scientist pouring mineral oil into test tube, production from petroleum products