我这样想着，就走上前去提醒杨叔叔：ꆱ“叔叔，您能不能别再使用木碳了？”使用木炭会产生大量一氧化碳，污染空气，破坏环境。
I think like this, he went up to remind uncle Yang: "uncle, can you don't use wood carbon? Use charcoal will produce large amounts of carbon monoxide, pollute the air and damage the environment."
这种炉子的使用应保证附近没有煤气泄漏，木炭只能在室外点燃，室内使用会导致一氧化碳中毒。
Charcoal should be burned only out of doors. Use of charcoal indoors will lead to carbon monoxide poisoning.
大多数的我的木炭样品经过5或6次洗涤会稳定。
Most of my charcoal samples would stabilize after the 5 or 6th rinses.
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