why is the head of board pins made flat??
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A drawing pin (British English) or thumb tack (North American English) is a short nail or pin used to fasten items to a wall or board for display and intended to be inserted by hand, usually using the thumb. A variety of names are used to refer to different designs intended for various purposes.
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It's so simple dear
The head of board pins are made flat because the article would stay in it.
vanshika0920:
very lame
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