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.
The Frame. 1  Using a table saw, rip the Â¾-inch plywood into 23-inch pieces for the top, the bottom and the two sides. 2  Measure in 6Â½ inches on each side of the bottom and mark the location by drawing a line. 3  Attach the 2-by-4 bottom frame with glue and nails.