Strict proportions. Selective focus on a positive minded woman smiling while looking at a test tube and adding a chemical liquid in a lab. - Stock Photo & Image

Smile and do. Attractive female keeping smile on her face, holding pipette and test tubes while looking at reagent

Clever assistant. Positive delighted woman feeling happiness while doing chemical experiment and looking at pipette

No right for mistake. Waist up shot of an adult researcher using a pipette while standing in a lab and mixing chemical liquids.

Female scientist. Joyful positive nice woman standing in the lab and looking at the test tube while working with it

Future breakthrough. Waist up shot of an amazed adult researcher using a pipette while pouring liquid into a test tube.

Use all devices. Competent female person raising her arms with glass tube and keeping smile on face while looking forward

Woman researcher is surrounded by medical vials and flasks, isolated on white

Chemical experiment. Happy positive woman smiling while doing a successful experiment

Daily routine. Low angle shot of a mature gentleman using a pipette while mixing chemical liquids and conducting chemical experiment.

Pour it down. Competent scientist keeping medicine dropper in right hand while taking blue liquid and going to do checkup

Modern science. Pleasant intelligent woman looking at the test tube while doing a scientific research

Feeling inspired. Pretty joyful dark-haired researcher smiling and holding a glass and looking at it and her colleague sitting in the background

Future breakthrough. Selective focus on a test tube and pipette used by a mature gentleman working in a lab and conducting an experiment.

Just attention. Pretty young pharmacist sitting in semi position and examining test tubes with colorful liquid

Medical test. Serious attractive smart woman looking at the test tubes and taking vaccine samples for analysis while working in the test lab

Young assistant. Attentive brunette woman wearing protective glasses while checking reagent