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Plywood manufacturing...

As little as 45% of the wood of each log could end up in plywood. Most plywood plants try hard to loose as little as possible. Where does it all go?

16% of the log is not made into veneer. This includes the peeler core. These cores can be made into 2" x 4" x 8' studs at the stud mill, or sold as is for fence posts.
21% is lost at the clipper. These are made into chips or particles. Computer controlled clippers can help reduce wood loss.
9% is lost at the veneer dryer as shrinkage.
8% is lost as trim. Automatic lay-up systems will help here.

 

Togas and Plywood?

Although the manufacture of plywood dates back to about 1905, ancient Greeks and Romans developed means of cutting veneer!

PT-109?

American know-how developed most of the technology for modern softwood plywood industry. The first major use of softwood plywood, around 1910, was for making doors. The manufacturing process was refined during World War II when plywood was used for small naval military craft.


PT-109

Billions and billions...

There are about 560 plywood and veneer mills in the USA that produce 20-25 billion square feet of plywood each year. This about 900 square miles of 1-inch thick plywood! About 90-95% of that is softwood plywood.