What is cardboard and how is it made? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.
What is cardboard and how is it made?
Cardboard is actually paper but it is very thick. A slightly different machine is used to make it, though. The card, instead of being wound onto a reel at the end, is cut up into sheets. Corrugated cardboard, which is made of paper pressed into a ridged shape sandwiched between two outer sheets is used to make strong, light boxes.
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