Laboratorio químico. Enfoque selectivo si los tubos de ensayo de pie sobre la mesa con un químico profesional guapo trabajando en el fondo - Foto e imágenes de stock

Biological project. Delighted nice smart biologist holding a syringe and putting blue liquid into test tubes while working on a scientific project

Tough work. Ambitious focused male laboratorian looking in microscope while posing in profile and dressing in lab coat

Scientific project. Serious intelligent hard work holding a test tube and looking into the microscope while working on his project

Professional chemist. Smart nice male researcher wearing a mask and protective glasses while conducting chemical experiment in the lab

Biological research. Smart nice confident scientist looking into the microscope and testing the samples while doing the biological research

Hard work. Professional appealing male laboratorian rising bulb while looking at it and wearing safety glasses and mask

Difficult task. Serious skillful male lab assistant wearing mask while touching microscope and conducting research

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

Medical lab. Smart intelligent nice woman holding a test tube and looking at it while working in the lab

Scientific challenge. Pleasant handsome male laboratorian dressing in safety glasses while elevating vial and gazing at it

My research. Serious brunette male lab assistant posing in profile while looking in microscope and studying sample

More samples. Merry gay male laboratorian grinning while getting vial and putting on safety glasses

Vials with liquids. Selective focus of transparent glass vials where liquids poured which staying in stand