Q Please click about the following question.

first of all, what is the compost?
About how many persons use. ?
A smell is what is not really. ?
Does human waste disappear truly ?
How much does it have ?
Are the notification and permission to a health center etc. unnecessary?
Can the temperature of fermentation be maintained although it lives in the cold district?
What do the detrimental bacillus and parasite in human waste become?