1. It also works as an insulator for the heating and ventilating systems . 2. "It's like a toxic substance in the ventilating system . 3. Ventilated systems are not adjustable, like the laminated systems.4. It even looked at its heating and ventilating system . ( They passed, too .) 5. A new fresh air ventilating system with air ducts leading from the grille replaced cowl ventilators. 6. Audience, the ventilating system and anything else audible. 7. It takes a very, very fancy and elaborate ventilating system to pull out those kinds of pollutants, 8. He said it apparently started in the engine room and spread through the ship's ventilating system , the authorities said. 9. The plant installed a stack and ventilating system in early 2006 to control and disperse odor from the composting bunkers. 10. He said that as with Cheops and Chephren, a new ventilating system will be installed to reduce humidity levels inside.