Would you be able to live without relaxing! The equivalent for your dryer machine that causes fire risks at that point; it can’t take its ordinary breathing to dispose of its inside heat. The dryer utilizes its pipe and vent to dispense with the warmth out of it.
Thus, when they stopped up with build up, the wind current stops to track down that the build up, which causes hindering the dryer, responds with the warmth to put a house fire. That is the reason having a stopped up dryer at your home equivalent to having a bomb will detonate whenever.