medical expert is testing toxic medicament in laboratory, dressed in protective gown and respirator mask, development of new drug
Virologist in protective costume and respirator disinfects surfaces.
Virologist in protective costume and respirator disinfects surfaces.
Virologist in protective costume and respirator disinfects surfaces.
Woman in protective suit afraid of viruses. Female doctor in protective clothes. woman in blue medical protective suit
male scientist is working with dangerous and toxic chemicals in chemical laboratory, using protective dress, mask and gloves
man is using modern electronic microscope for exploring bacteria and virus in laboratory, protective himself by mask with respirator
virologist is researching danger virus in laboratory, man is dressed protective overall and face mask with respirator, developing
Medical worker in protective suit . Novel coronavirus 2019-nCoV .
virologist is researching new virus covid-19 in medical laboratory, wearing protective overall and respirator for saving health
Ecologist sampling water of toxic chemicals from the river checking list and write to clipboard paper, Biologist wear protective suit and mask collects sample of waste water from industrial
Ecologist sampling water of toxic chemicals from river touching screen on digital tablet, Biologist wear protective suit and mask collects sample of waste water from industrial, problem environment