scientific laboratory of development of bacteriological and biological weapon, technician is dressed protective gown
two technicians are working in scientific laboratory, man is researching sample by microscope and woman working with chemicals
Slowmo closeup of unrecognizable technician in gloves and protective coveralls soldering circuit board in modern laboratory
Chemical reaction in flask. Closeup. Shaking liquid in flask. Laboratory glassware. Laboratory equipment. Close up. Laboratory research. Scientific experiment. Chemical test in a glass flask
Slowmo closeup of unrecognizable engineer repairing printed circuit board with special tools, looking at it under magnifying loupe in scientific laboratory
No people slowmo of workplace of electronics engineer with printed circuit boards and two computer monitors with data on desk in dark laboratory
Young engineer struggles to assemble electrical device panel in scientific laboratory
A mechanism with hooks in the hot shop with rising smoke and burning fire at the metallurgical plant. Stock footage. Heavy industry
Scientific microscope on laboratory desk with researching instruments at professional workplace. Close up of investigation tool with glass lens for chemical substance lab examination
Chest up slowmo of Asian male engineer in white lab coat looking at circuit board through lens loupe eyewear, working in scientific laboratory with male colleague
Doctor in gloves shakes blood test tube for analysis of chinese coronavirus. Scientist technician stirs sterile vacutainer in laboratory. Covid virus epidemic vaccine development, biotechnology.
Lab technician is in work process with chemicals, sitting at desk in pharmaceutical laboratory spbd. Woman employee stirs colored liquid in flask with glass stick at workplace in company. Modern