1 常帶備清水以防中鏹水時沖洗
艾官 發表於 2010-1-15 05:06 PM
1 常帶備清水以防中鏹水時沖洗 % g" J! _" R" H( P5 R1 g3 W! a
艾官 發表於 2010-1-15 05:06 PM
Or you can bring a base (alkali liquid) such as NaOH (sodium hydroxide) to neutralise the acid instead of bringing water to dilute it.
skyhookii 發表於 2010-1-15 06:00 PM
唔好去多人地方同埋只去空曠地方
kuru 發表於 2010-1-14 12:06 PM
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