The non-toxic In General, natural gas is not toxic, but in the case of natural gas with a gas H2S (hydrogen sulfide gas) is extremely may cause harm to people who experience prolonged breathing of gas or remove it. Because the hydrogen sulfide gas to destroy tissue, such as the conjunctiva. Respiratory tissues and lungs.Fire/explosion (fire/explosion), natural gas is a flammable gas. The case with gas mixed with air leak may have caused the fire. If the rate of gas mixture and sufficient air to fire and heat source or open flame or sparks. In addition, it may cause an explosion. If the accumulation of natural gas in any one particular area area that unfortunately, such as the inside of buildings that do not have enough ventilation.
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