If you think about it or intend to modify their own words, then I also teach you the method, this is very simple, the LPG "gas nozzle" (valve outlet) aperture diameter is generally 0.8mm, and the use of natural gas is supposed to be 1.2mm, so if you have such a hands-on approach to the words, with the If you have the ability to do so, you can use a 1-1.1mm straight-shank twist drill bit to ream the air outlet hole (in order to take into account the error when reaming, so do not directly use a 1.2mm drill bit).
Remember to think twice, after all, involves their own safety, natural gas accidents, the consequences are very serious
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