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.