I've never heard the term "paperboard," but apparently it's similar to cardboard. " But there seems to be something missing in the rest of the sentence: OttoJ to be filled with under the title ". .
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OttoJto be filled with under the title". . . to be filled with" what?
khoffapparently it's similar to cardboardI hope you don't mind me being a little persistent. According to the analogy you made to approve the use of 'a', did you mean we could use a cardboard/cardboards?
OttoJ-John holds __ paperboard that is to be filled with [text? / explanations? / ???] under the title of 'Reform'."paperboard" doesn't mean anything to me, though my dictionary defines it as "cardboard".