Νέος επιστήμονας κάνει πειράματα χημείας με πολύχρωμο υγρό. Hes εκμετάλλευση φιάλη με ροζ υγρό στα χέρια και την έρευνα. Εργαστηριακά πειράματα με υγρά. - Πλάνα & Βίντεο Αρχείου

Scientist holds two flasks in hands and compares it. Laboratory assistant works with yellow liquids in laboratory.

Young scientist in medical laboratory finding a cure for cancer

Scientist holds two flasks in hands and compares it. Laboratory assistant works with yellow liquids in laboratory.

Laboratory assistant and his pupil makes chemical experiments with dry ice. They holding flasks with colorful liquids in hands. The flasks is steaming and young scientists looks after the reaction of

Laboratory assistant and his pupil makes chemical experiments with dry ice. They holding flasks with colorful liquids in hands. The flasks is steaming and young scientists looks after the reaction of

Young chemist works in laboratory. The boy in protective glasses looks at the chemical flasks with liquid. Cute boy touches bulb with orange liquid. Chemical experiments in laboratory.

Laboratory assistant and his pupil makes chemical experiments with dry ice. They holding flasks with colorful liquids in hands. The flasks is steaming and young scientists looks after the reaction of

Two scientists measuring liquid in laboratory. The woman wearing protective glasses hold flask in hand and pouring the liquid inside. Laboratory assistant observing after the woman.