Kobiece chemik studia niebieski mieszaniny w kolbie stożkowej, prowadzenie badań - Materiał filmowy & wideo

Female chemist holding flask with blue evaporating liquid in hand, experiment

The lab technician checks the quality of the chicken meat in the lab. Food quality control.

Male lab assistant looking at liquid sample, experiments on household chemicals

Female scientist looking at conical flask in laboratory 4k

Vet lab assistant looking at meat sample in yellow liquid, swine flu analysis

Young female chemist doing science experiment with chemicals. Full HD

Female chemist holding flask with blue evaporating liquid in hand, experiment

Male lab assistant looking at liquid sample, experiments on household chemicals

Vet lab assistant looking at meat sample in yellow liquid, swine flu analysis

Lab assistant looking at tube with transparent yellow liquid, biofuel testing

Laboratory worker in safety glasses checking meat sample in tube quality control

Female scientist studying liquid material in test tube, conducting research