易燃物質

易燃物質是指在洩漏時容易著火的物質，如化石燃料或甲烷。即使是輕微碰撞時產生的火花，也足以點燃易燃物質引發火災。火焰會蔓延並傷害生物體、對環境造成巨大破壞。

In case of a suspected flammable gas leak, immediately cut all sources of open flame, such as lighters , lanterns , steam engine fireboxes , sparks from traction loss , etc.