The plastic extension pipe with a joint coupling body can bring convenience for the installation of a ventilator, a range hood, a water heater, etc.

Store everything in plastic bags, even in the crisper, says Jean Draeger, nutrition educator with the University of Wisconsin Extension in Waukesha County, Wis.

Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.