Hand holding petri dish. Tweezers and piece of paper. Take a sample for experiment. Task for a scientist.
Hand of scientist with tweezers. Person works with lab equipment. I need paper filter. Uncover the secrets of science.
Hand holding beaker with fluid. Liquid splashing inside flask. Be careful with the reagent. Experiments and results.
Likable confident purposeful qualified african american male chemist in protective mask,eyewear ,gloves and white coat conducting chemical experiment with fluids in dark lighted lab
Scientific research. Female researcher is taking fluid sample from flask. Experiment in modern science laboratory. Test tubes. Laboratory glassware. Laboratory equipment. Chemist working at laboratory
dentist changing nozzle of equipment before appointment patients in medical clinic, closeup view of hands in strike gloves, dental
Close up of scientist analyzing lab vacutainer with fluid in laboratory. Woman with chemical equipment holding glass flask for blood cell examination. Transparent tube with solution
Chemists mixing up solutions at the lab. Clip. View over the shoulder of a woman in gloves pouring transparent liquid from plastic bottle
Close up of glass vacutainer filled with dna solution for test in chemical laboratory. Doctor hands with gloves holding transparent sample flask with fluid blood for lab analysis