The Gas - LPG, NG, LNG, etc. - are common energy in our period. It is necessary for industry and our human-life, however it has a possibility to cause the serious accident.
People say that Japan is the safest country in the world. We are proud of such reputation, and doing effort to keep this circumstances. Japan has the strict regulations against LPG equipment for the safety. Japanese manufacturers willingly obey it as their duty. For overseas, we take the same procedure and keep the safety.