Női laboratóriumi dolgozó mutatja kémcső mosószer, kémia, elővigyázatossági jel - Stock fotó és kép

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

Female researcher in protective suit showing oil liquid in test tube, poison

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

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

Worker of toxic lab examining flask with biohazard liquid, runoff water analysis

Worker of scientific lab studying blue fluid in test tube with harmful sign

Chemist visually checking presents of sediments and oil product consistency

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

Laboratory assistant pouring petrochemical into test tube, petroleum industry

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

Biology expert in protective uniform holding leaf sample in test tube, nature

Biochemistry scientist showing generic caution sign in hand, warning disaster