La mano científica de primer plano en un guante de goma azul vierte aceite crudo en un vaso de precipitados dimensional con poca agua en el lugar de trabajo - Metraje y vídeo de stock

Chemist pouring boiling fuming liquid into test tube, conducting experiment

Close-up laboratory scientist laboratory assistant gloves test tubes virus reagents vaccine research coronavirus focus pull.

Close-up laboratory scientist laboratory assistant gloves test tubes virus reagents vaccine research coronavirus focus pull.

Close up laboratory scientist gloves protection test tubes pipette virus reagents vaccine comparison experiment green comparison.

Female scientist working in laboratory

Lab assistant in gloves adds reagent into beaker with testing milk in modern laboratory extreme close view

Closeup skilled lab assistant in blue gloves pours clear mucus into lab glass in modern researching laboratory

Employee pours fresh milk into small beaker with measuring scale to check quality on table slow motion closeup

Professional worker in white robe and gloves shows colorful part of solar panel in light workshop extreme close view

Scientist in gloves pours liquid into beaker with pink sample changing color to clear in laboratory closeup