Porovnání dvou kapalin. Profesionální zkušený vědec nosit ochranné brýle a zamyšleně díval na dvě modré kapaliny v lahvích - Stock fotografie a obrázky

Blue liquid. Enthusiastic clever scientist carefully holding a flask with blue liquid in it and feeling satisfied with his invention

Conducting experiments. Clever professional scientist looking curious while standing near the table covered with test tubes and conducting experiments with liquids

Male medical doctor or biotechnology research scientist working in the laboratory

Important liquids. Enthusiastic middle aged scientist feeling excited and smiling while holding a bottle with blue liquid at eye level

Biologists uniform. Good-looking alert smiling budding woman scientist wearing a uniform and glasses and holding a marker while being in the lab

It is my project. Cheerful lab assistant keeping smile on face and sitting at her workplace in semi position while working with computer

Interesting result. Professional nice smart scientist sitting together and looking at the test tube while discussing the result of their work

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.

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

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