1 常帶備清水以防中鏹水時沖洗 2 T ~/ V2 R5 G
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 9 w3 L4 E& d# p0 D+ {: p) E6 i1 i5 j
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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