Reactivo químico. Hombre de hielo alegre positivo sosteniendo un tubo de ensayo y mirando el líquido en él mientras hace investigación química - Foto e imagen de stock

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

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

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

Enthusiastic scientist. Happy nice intelligent man sitting in the chemical lab and holding test tubes while working

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

At work. Happy smart nice doctor wearing labcoat and taking test tubes while doing a research in the lab

Professional device. Nice pleasant happy man holding a microscope and smiling while working in the biological lab

Rewarding job. Happy delighted nice scientist smiling and taking a test tube while feeling happy about his job

Seems clear. Attractive glad male laboratorian conducting procedure while holding vial and smiling when standing against the blurred background

Be very careful. Positive delighted practitioner wearing protective glasses raising both hands while checking test tube

Good day. Cheerful professional biologist wearing a uniform and looking into the microscope

Young female and male scientists using pipette with test tube in medical science laboratory, researching medical sample blue liquid together.

Eye specialist. Bearded grey-haired eye specialist using modern technologies while consulting patient

Genetically-modified vegetables. Determined skilled scientists working in the lab and modifying vegetables

Work in the lab. Pleasant beautiful female chemist holding chemical reagents and using them for experiments while doing her job

Experienced eye doctor. Professional experienced eye doctor wearing uniform sitting at the table

In the chemical lab. Selective focus of test tubes being filled with chemical reagents while being used for scientific research