October 2018 1 18 Report
Tolong kerjakan sekarang ya!!! Buat besok

1.you want laboratory users to give extra care to the storage room that keeps chemical substances.
2.you want laboratory users to pay attention to procedures of accidents prevention.
3.you tell laboratory users not to attempt to heat anything in an open flame.
4.you want laboratory users not to throw garbage to water sanitary
5.you tell laboratory users not to eat,drink,or smoke in the laboratory.
sama artinya ya!!!!!!

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