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2. Safety matter needing attention :
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1.It doesn't allow to run and jump inside of the laboratory.
2.Don't stand near the power supply case.
3.Don't switch on the power before obtain the approval.
4.Don't wear the slippers.
5.Don't operate the instrument before get the certificate.
6.Keep good state of health and dry body when operating the instrument.
7.It doesn't allow to eat and drink during experiment.
8.Put the tools back to the original position.
9.Restore and clean.
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