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Doctors in protective suits put on a ventilation mask on a sick man with coronavirus disease covid-19, who is in an intensive care unit in a modern hospital.
Pile of pipes and parts for duct systems. Industrial ventilation
Breathing apparatus Medical equipment isolated from the white background with clipping path
Doctors in protective suits put on a ventilation mask on a sick man with coronavirus disease covid-19, who is in an intensive care unit in a modern hospital.
hvac services - worker install ducted pipe system for ventilation and air conditioning in house

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