Fotografía recortada de un químico haciendo experimentos con tubos de ensayo y frascos en un laboratorio químico - Foto e imagen de stock

Male scientist using lab tools, Test tubes in clinic, pharmacy and medical research laboratory

Proportions are important. Close up of female scientist holding a test tube and pouring a chemical liquid into a flask while working in a lab and conducting an experiment.

Close-up partial view of scientist making experiment in chemical lab

The scientists injected chemicals into plastic tubes,Scientist mix chemicals with The shake machine Before the experiment.Mixture laced with samples into test tubes,prepare sample for test

Dental technician working with articulator in dental lab

Young male chemists in lab coats examining reagent in flask

Focused young scientist in white coat using laptop in chemical lab

Cropped shot of professional scientist making experiment in chemical lab

Focused male scientist in white coat working with microscope in chemical lab

Concentrated bearded scientist in protective eyewear making experiment in laboratory

Young male chemists in lab coats examining reagent in flask

Smiling young chemists in white coats standing and talking in laboratory

Professional young chemists in white coats working with flasks and test tubes in chemical lab