The rear Windows are outward opening. A gill-lypc ventilałor is siluated in the center ot the roof; it is operated from inside by a lever.
Lever pulled out: Ventilotor closed Lever pushed in: Ventilator fully open
An additional supply ot fresh air is oblained by opening the center panel ot the glass partition and the vent wings in the front doors.
One button is fitted to each side panel above the słretchers, operałing łhe buzzer in the driver's cab.
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