1.   Delaney was leaving the cover of a vent pipe when it happened.

2.   Each has a vent pipe from its respective circuit.

3.   Another possibility is a blocked, or partially blocked, vent pipe, the pipe that goes up through the roof.

4.   But if it turns a corner from the vent pipe to drain line, it could wedge itself in and cause a blockage.

5.   Can a vent pipe be run from the dryer to the window?

6.   He heard the high-pitched squeal of wind and watched as the vent pipe was ripped away above him.

7.   I suggest you call in a plumber to check out the drain-waste system and its vent pipes to see if he can find the cause.

8.   If you get a blockage, start looking for it where the horizontal drain exits from the vertical vent pipe.

9.   Is it really necessary for each sink to be connected to this vent pipe?

10.   Lint is flammable, and one thing a vent pipe does is carry the potential fire fuel away from the heat of the dryer.