Instrumento estéril. Profesional encantado positivo manteniendo sonrisa en su cara y sosteniendo tubo de prueba mientras toma muestra de líquido azul - Foto e imágenes de stock

Attentive process. Selective focus on a test tube with a blue chemical liquid and a pipette held by a mature lab worker conducting a chemical experiment.

Competent scientist. Confident practitioner looking attentively at pipette while adding some drops of reagent while waiting for reaction

No right for mistake. Selective focus on a test tube with navy blue chemical liquid held by a lab professional conducting chemical experiment.

Controlled experiment. Waist up shot of an experienced laboratory worker holding a pipette while adding chemical liquid into a test tube.

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

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

Visit our lab. Delighted scientist keeping smile on his face and raising eyebrows while examining blue liquid

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

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

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.

Feel the progress. Delighted male person keeping smile on his face, keeping glass in left hand while pouring down some liquid

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

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

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

Modern agro engineering. Nice smart man pointing at the test tube while working in the agro engineering laboratory