1) Give a safety precaution when using alcohol.
2) What safety precautions should be taken when using thinner ?
(一定要用英文答)
Science
2006-10-26 5:40 am
回答 (1)
2006-10-28 12:10 am
✔ 最佳答案
1) Put alcohol away from the fire source.2) Do not smoke when you are using thinner.
收錄日期: 2021-04-23 15:44:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061025000051KK04412