Science

2006-10-26 5:40 am

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)

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.

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