This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Bio Char vs Charcoal: 6 Key Differences
Similar, but more refined process to achieve specific characteristics in the end product, like oil>kerosene>diesel>gasoline.
This article hints at a lot of interesting things, but doesn’t really go into any of them. I’ve learned a lot trying to answer the comments here.