一次性塑料打火机以其价格便宜，方便实用，成为不少吸烟者和家庭的必备物品，但是这种打火机却有着许多不安全因素。如打火机内的液态燃料丁烷，在日光照射下或经摩擦、挤压、碰撞后，极易发生爆炸，特别是在有易燃物品存在的地方发生爆炸，后果将不堪设想。英国布莱克普尔镇1 Disposable plastic lighters are cheap, convenient and practical, and they are necessary for many smokers and families. However, such lighters have many unsafe factors. For example, liquid fuel butane in a lighter can easily explode when exposed to sunlight or after friction, squeezing, or collision, especially if there is a flammable object in place. The consequences will be disastrous. Blackpool, England 1