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FAQ

I use a activated carbon respirator (Miguel card please see picture), but the product did not specify how long you can use, only that can smell the poisonous gas is to be replaced, but the smell is not good, for fear of insecurity, would like to ask if there is a smell of paint in this environment. How long you can use mask is safe, by the hour

Preparation of two masks, exchange use, used during the day, after work away from the work...

Please introduce in detail, thank you, and there is no machine production of charcoal

There are two kinds of preparation methods:(1) the kiln, with mud kiln, filled with wood b...

1 tons of standard coal equivalent to the number of kilowatt hours, or is equal to the number of 1 kilowatt hours of standard coal

6000/864=6.9444*1000=6944.4kw.hWhen a; 1 tons of standard coal equivalent to 6944.4 kwh....

Carbon ash is raw or cooked!What kind of charcoal ash! Bamboo charcoal or charcoal or what?!Will not burn the skin?!If not, there are no other folk prescription!? (do not use the old battery, edible alkali; prickly ash water; sesame these,

Put into the refrigerator after use, you can use half a month!!!After two weeks of my expe...

What industry is washed coal

According to the bond can be divided into 5 or 6 grades, namely GR.I. ranged from 0 to 5, ...