Answer:
The use of the term 'Scotch' in Scotch Tape is one which expresses disapproval in the form of a remark made by a St. Paul automobile detailer in the 1940's. During those times an Adhesive Tape company named 3M supplied Adhesive Tapes which had Adhesive only on the edges of the tape. This prompted the detailer to complain to his 3M sales rep about the company's "stingy Scotch bosses." Company executives seized upon the word "Scotch" because they hoped it would suggest that 3M tape was an economical product.
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