Cutting and seasoning the gum
6 A cutting machine first scores the sheet in a pattern of rectangles, each 1.3 inches (3.3 centimeters) long and .449 of an inch (1.14 centimeters) wide. The sheet is then put aside at the proper temperature and humidity to "season."
Read more: http://www.madehow.com/Volume-1/Chewing-Gum.html#ixzz49qyBEylb