
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 4 n# w6 D, l( C X) C+ s1 Z) B1 e
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.+ z+ j! ?* |( [! f1 o
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3 \. }4 c: i, D1 K! m. d
kuru 發表於 2010-1-14 12:06 PM
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