Energy is saved by means of a jet fan ventilation system. The fume hood is only one part of the lab ventilation system. In addition to the ventilation system, there was centralized air conditioning. Two thousand tests were performed with the ventilation system prototype. Installing a positive pressurization or positive supply ventilation system. Ling is attacked by bugs who have made their way in through the ventilation system. The ventilation system was extensively modified for 1972. The ventilation system can control smoke movement. Earthships structures have a natural ventilation system based on convection. The leftmost pod was a vent for the "DirectAire" ventilation system. Renee eventually breaks free of her restraints and crawls into the ventilation system. Some planes are equipped with ozone converters in the ventilation system to reduce passenger exposure. I Cortina was felt to have aged much less well than the car's ventilation system. A ventilation system was installed for the occupants. Reid advocated the installation of a very advanced ventilation system in the new House.