Devo prendere una decisione. Fiducioso uomo barbuto che preme le labbra ed è molto serio mentre lavora con il microscopio - Foto e immagini stock

Using microscope. Attentive bearded man expressing positivity while working in laboratory and looking forward

Let me see. Confident male scientist sitting at a microscope and looking at a set of test tubes with different liquids while working in a lab.

Lets do experiment. Profile picture of competent scientist that pressing lips while taking test tube

Let me have a look. Selective focus on a serious mature laboratory worker sitting at a microscope and taking one of the test tubes containing chemical liquid.

Complete this task. Serious male person closing right eye and putting hand on table while working at important project

Daily routine. Waist up shot of a male lab worker looking into the camera while browsing his laptop and looking at samples under a microscope.

Ready to work. Confident man sitting in semi position and typing text while looking at camera

Professional laboratory. Nice professional bearded scientist wearing labcoat and doing a research while working in the lab

Experienced professor. Handsome scientist wrinkling his forehead while checking reagent before experiment

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

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

DNA analysis. Pleased bearded male person keeping smile on his face while checking DNA

Smiling worker. Delighted researcher wearing protective glasses while looking at test tube with reagent

Love my job. Competent scientist sitting in semi position and bowing head while looking into ocular