Traditional Culture Encyclopedia - Weather inquiry - Why is there a hole in the bottle cap of an English newspaper with an encyclopedia question and answer?
Why is there a hole in the bottle cap of an English newspaper with an encyclopedia question and answer?
Are you asking why there is a hole in the cap of an English newspaper with an encyclopedia question and answer? Prevent accidental suffocation. According to the weather network query. The small hole in the pen cap is also called a life-saving hole. When using a pen, some pupils will put the cap in their mouth out of curiosity, and sometimes they will accidentally swallow it in their throat. At this time, the small hole on the pen cap can prevent the respiratory tract from being completely blocked, thus saving time for saving lives.
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