Lijkt me duidelijk. Aantrekkelijke blij man laboratorian uitvoeren van de procedure tijdens het bedrijf flacon en glimlachen toen permanent tegen de onscherpe achtergrond - Stockfoto’s en -afbeeldingen

Satisfied with results. Budding cheerful male laboratorian smiling to himself looking at the vial while holding it

Positive worker. Competent researcher keeping smile on his face while standing near computer

Good perspective. Low angle of pleasant smart laboratory assistant holding glassware looking at it and smiling

Medical worker in white coat working with test tubes in laboratory

Competent scientist. Confident practitioner looking attentively at pipette while adding some drops of reagent while waiting for reaction

This is success. Cheerful nice positive man looking at the test tube and smiling while being happy about his success

Like this process. Smiling male person wearing protective glasses raising hands while examining test tube

Report on the research. Happy positive nice man sitting at the table and writing down his observations while finishing a report

Modern chemistry. Happy positive joyful scientist smiling and taking a test tube while doing his job in the lab

Test tubes. Experienced famous chemist feeling very busy while putting test tubes in order at laboratory

Biological research. Positive nice experienced man sitting in front of the microscope and looking at you while working in the lab

Chemical laboratory. Selective focus of test tube with blue liquid being in hands of a smart nice male scientist

Successful result. Positive nice delighted scientist smiling and looking at the test tubes while being happy about his research