Hứng tờ giấy trên bồn rửa. Tìm nến hoặc bật lửa.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
This is important in case you accidentally light the paper on fire; you can just drop it into the sink and douse it in water. For this particular method you should write on the paper after the aging process, to avoid losing some of your work with excessive burning. There is no difference in the effectiveness of each source of fire. Simply use whatever is available to you. Avoid using a butane lighter as the flame is too intense for this type of work.