Virheisiin ei ole oikeutta. Valikoiva keskittyä koeputkeen tummansininen kemiallinen neste hallussa lab ammattilainen suorittaa kemiallisen kokeen . - Kuvapankin valokuva ja kuva

My colleague. Positive delighted female keeping smile on her face and crossing arms while standing opposite scientist

Biological test sample. Selective focus of a test tube being held by a nice smart professional scientist while taking a biological test sample

Pour it down. Handsome male person expressing positivity and pressing lips while looking at pipette

Supportive relations. Selective focus on a male scientist standing next to his colleague while pouring chemical liquid into a test tube and conducting a chemical experiment.

It is about proportions. Waist up shot of lab colleagues smiling while holding a test tube and adding chemical liquid during an experiment.

Keep silent. Attentive bearded man wrinkling his forehead and pressing lips while looking forward at pipette

Keeping in a right proportion. Scaled up look on female lab worker holding a test tube and using a pipette while pouring blue chemical liquid during an experiment.

Add some reagent. Charming lab assistant keeping smile on face and looking at test tube while working in the laboratory

Take it. Delighted practitioner keeping smile on her face and putting hand on the microscope while looking forward

Little drop. Serious practitioner looking forward and holding hands on the foreground while keeping little glass in left hand

Light room. Very attentive brunette keeping smile on her face while holding test-glass in left hand and going to checking it up

Thoughtful researcher. Attentive bearded scientist wrinkling his forehead while looking at pink liquid

Professional studies. Cheerful positive joyful scientist smiling and taking a test tube out of the rack while doing biological studies

Cautious person. Serious young researcher holding medical instrument in right hand looking downwards while touching support

Biological tests. Selective focus of a test sample of the liquid being used in biological research