Cardboard Brochure Holder
Saturday, March 26, 2011
How is corrugated cardboard made?
A wavy piece of cardboard is sandwiched and glued between two pieces of flat cardboard. This gives it a much tougher spine than just plain flat cardboard. It's all done by automated machinery.
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment