Bonne humeur. Chercheur amical levant son bras gauche et touchant tube de microscope tout en travaillant au laboratoire - Photo & image de stock

Modern research. Professional smart male scientist wearing uniform and looking at the test tube while working in the laboratory

Sterile instrument. Serious lab worker sitting at his workplace and putting right hand on the microscope while looking at test tube

Uneasy work. Professional skillful male lab assistant using reagent while performing experiment and touching microscope

Pouring down. Attractive medical worker wearing white smock and blue rubber gloves bowing head while looking at test-tube

Scientific study. Intelligent handsome researcher holding a metal stick while conducting his research

Close up of test tubed in a lab while professional scientist working in microbiology project

Raise eyebrows. Serious blonde wearing mask and protective glasses, holding pipette while looking forward

Modern research. Happy positive female scientist smiling and taking test samples for her research while working in the laboratory

Pleasant cooperation. Joyful positive smart scientists looking at each other and smiling while enjoying working in team

Test material. Serious intelligent man holding a petri dish while conducting his reseach

Talk with me. Positive delighted male person sitting in semi position and holding test tube while demonstrating chemical experiment