Corrugated cardboard must be flattened and placed in ... Envelopes with windows may also be recycled as well as paper with adhesive, like sticky notes. Paperback books may be recycled with ...

For example, using a cyanoacrylate adhesive to saturate areas ... [blackfish] even uses a peeled piece of cardboard — exposing the corrugated part — as a set of detents (6:56) to retain ...

First, a sheet of corrugated cardboard is made out of three sheets of ordinary Kraft paper. Paper and glue are relatively inexpensive, so cardboard is inexpensive. And compared to a sheet of paper ...