Its manufactures include pianos, paper, cardboard, machinery, boats and barges.
The cardboard boxes can be recycled or added to your compost heap.
As soon as I could spell a few words my teacher gave me slips of cardboard on which were printed words in raised letters.
The tome was far heavier than she expected, made of something much different than cardboard and paper.
Lay the compass upon the cardboard, and observe the rate at which its needle vibrates after being displaced from its position of equilibrium; this will vary greatly in different regions.