Dropping of blue liquid in test tube with glass dropper
Medic puts IV. Action. Close-up of doctor's hands inserting dropper into veins. Intravenous drip
Medic puts IV. Action. Close-up of doctor's hands inserting dropper into veins. Intravenous drip
Close-up of IV tube. Action. Dropper with drug slowly dripping down tube. IV tubes for sick patient after surgery
The scientific man does the test with chemical liquids. He uses a dropper pouring in test tube
Green mountains with road on cloudy day. Action. Dirt road goes around green mountains with rocks. Rocky mountain passes with green grass on
Laboratory test tubes for analysis. Action. Laboratory flasks and test tubes with liquid for analysis and experiments. Laboratory work with
Laboratory test tubes for analysis. Action. Laboratory flasks and test tubes with liquid for analysis and experiments. Laboratory work with
Chemist filling test tubes with green liquid
The chemical laboratory, in the tube green liquid changes color to yellow. Spiral tube with green liquid in slow motion. The concept of purification and antidote
Close-up of tube of working automated mechanism. Action. Details of automated mechanism with rubber tubes for supply of liquid or substance
Selective focus of blurred scientist in gloves, goggles and face mask looking at test tube with blue liquid, taking sample with dropper from it