Working with metal tape, insulates the ventilation elements. Close up
Working with metal tape, insulates the ventilation elements. Close up
surgical instruments contaminated with blood on the table in the operating room. close-up
Rooftop of building with ventilation
Medical ventilation apparatus
Ventilation of a large building
Car repair disassembling the ventilation system. A repairman disassembling the engine ventilation system of a car. Car reparation and test. A mechanic testing engine ventilation system.
Man is adjusting heating and ventilation system inside car, close-up of hand
The movement of medical device for artificial lung ventilation. Artificial respiration or mechanical ventilation in intensive care or