Little drop. Happy male person keeping smile on his face and holding pipette and test tube in hands while looking downwards - Stock Photo & Image

Testing new preparation. Attentive practitioner pressing lips and bowing head while looking downwards

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

Concentrate on process. Delighted practitioner expressing positivity and bowing head while looking downwards, doing experiment

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

Professional research. Selective focus of laboratory equipment being used for doing a professional research

Rubber gloves. Positive scientist holding pipette in left hand and dropping reagent into test tube while looking at camera

Staring at test-tube. Attentive practitioner bowing head while looking downwards and mixing liquids

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

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

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

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

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

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

Accurate observation. Professional biologist working in a lab and holding a test tube

Close to hand. Delighted scientist opening his mouth and wearing protective glasses while looking at chemical reagent