1 Algorithm based on impact on opinions over time - and Wikipedia. 2  Top ten most significant in history puts Jesus in the number one spot.  The list also includes Muhammad, Lincoln, Hitler and Shakespeare.
Plies vary in thickness from 1.4 mm to 4.3 mm. The number of plies depends on the thickness and grade of the sheet but at least three are required as the minimum odd number of plies. Roofing can use the thinner 5/8 (15 mm) plywood.
Un-sanded plywood panels are typically manufactured from 5/16 of an inch up to 1-1/4 inches. The tolerance for un-sanded plywood is 1/32 of an inch up to 13/16 of an inch and +/- 5% for thicker plywood. These panels typically come in thickness ranges of 1/16 of an inch.