a) 1850
b) 1817
c) 1915
d) 1945
Answer: b
Explanation: The first commercial paperboard was produced in 1817, by the firm M. Treverton and Son. Paperboard is a packaging material, thicker than paper possessing characteristics like foldability and rigidity. Paper with grammage greater than 250 g/m2 is called paperboard.
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