Maritime plywood is created with waterproof glue and superior-high-quality veneers to resist delamination and rot in soaked environments. It’s used in boatbuilding and out of doors household furniture. Interior usually means the panels aren't watertight and they are created for interior use only. They should not be exposed to dampness. https://plywood80259.blogmazing.com/32154939/detailed-notes-on-plywood