When burning smokeless tasteless, has the light blue flame, does not have any supplement, the combustion time for ordinary original ebon coal 3 times (3-4 hour).
燃烧时无烟无味，有浅蓝色火苗，没有任何添加物，燃烧时间为普通原木树炭的3倍(3 - 4小时)。
During burning, it has no smoke, smell and harmful gas generated, it is not affected by vibration and turning upside down, and has a flame approaching blue colour.
它燃烧时，无烟、无味、无有害气体产生，不怕震动及倒落，火焰近于蓝色，是一种使用方便易携带，卫生无污染、安全无意外的理想炊用燃料。
The earth itself was the finest sand, but blue as the flame of burning sulphur.
地上全是最细的砂子，但是蓝得像硫黄发出的光焰。
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