B20_hk

It is depend what kind of power.   
Under 1J power, (At least my teammate's standard)
I opine the glasses or goggle are enoght.
But over 1J.....Mask is needs

B20_hk

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引用:

原帖由 -yo- 於 23-3-2010 18:19 發表
我朋友不嬲都有載mask既習慣，不過當日唔記得拎，而當日既rule係兩面以下。
其實想問咩程度既力係足夠打入鼻哥呢?
thanks

兩面定兩]以下?