Mies tiedemies sekoittamalla kemikaaleja koeputkessa - Kuvapankin materiaali ja video

Scientist working in lab. Concentrated scientist face. Researcher using pipette in laboratory. Laboratory worker conducting chemical research in lab. Scientist in lab. Chemist focused on work

Scientist Man In Protective Glasses Studies Sample Into Test Tube. Medical Research Concept

Scientist face. Portrait of researcher working in safety glasses. Laboratory worker face. Laboratory man focused on work. Concentrated lab worker working with chemical liquids in glass flask at lab

Male researcher studying liquid in glass flask at lab. Closeup of scientist man doing medical research at laboratory. Pharmacist analyzing substance in flask. Chemist doing pharmaceutical research