What are the ingredients in making a mosquito repellent coil?

those that can be easily find and is does not harm the users and environmentWhat are the ingredients in making a mosquito repellent coil?
This is not the homework section of Yahoo Answers, but I can give some guidance.





The easiest way to answer this question is to look at the ingredients on a box of commercially available mosquito repellent coils. If the product is labeled for sale in the USA, it is environmentally safe.





Another easy method is to search the internet.

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