Question

A piece of metal plastic or wood that is used to support a broken
box is called. ​

Answer 1

Answer:

Dunnage is the durable padding material used to protect goods during shipping. Dunnage can be anything from bubble wrap and packing peanuts, to industrial solid plastics that provide cushioning so items stay put. Of course, dunnage will do its job best when accompanied by the appropriate box or poly bag

Answer 2

Answer:

dunnage refers to the packing material used as protective fill inside the carton, box or other type container used to prevent the merchandise from being damaged during shipment.