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kvasek [131]
3 years ago
12

You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best

done by
Biology
2 answers:
ddd [48]3 years ago
6 0

putting it into cold water

MrRa [10]3 years ago
4 0

Cooling the glass tube and dropping it into cold water.

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