請問..!!!!!!*
回答 (1)
2007-07-14 1:46 am
✔ 最佳答案
From $30 up to $1000 (Mask for B.A.), depends what kind of work you carry out and the requirements in the risk assesment.Normally around $100 is ok.
參考: Experience
收錄日期: 2021-04-23 20:00:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070713000051KK03120