11. Examples are garden hose faucets, cable television wires and vent pipes through walls and roofs. 12. Numerous vent pipes and chimneys have been swept off roofs by the heavy snow, Dolan said. 13. Waste material and wood shavings compost in the tanks and the vent pipe to reduce odours. 14. The vent pipes are normally installed with PVC pipe versus metal vent pipe to prevent corrosion. 15. The smoke from the stick should be drawn up under the hood into the vent pipe . 16. The exhaust gases escape through the same vent pipe used to supply air to the fire. 17. _the vent pipes connecting to one of these drains is partially clogged and needs clearing out. 18. The vent pipes are normally installed with PVC pipe versus metal vent pipe to prevent corrosion. 19. In some cases solar-powered fans are added giving a constant outwards flow from the vent pipe . 20. Most include lockable doors, ventilation near the top, and a vent pipe for the holding tank.
