Probably the most common process of manufacturing fire between prehistoric peoples was the friction technique. Mostly, a pointed hardwood was twirled amongst the palms and pressed right into a hole on the sting of the softer wood. Flint, pyrites, and fire drills are located in Neolithic web pages in Europe. https://how-to-find-a-reliable-fi80012.ivasdesign.com/57560051/the-smart-trick-of-ensuring-compliance-with-fire-safety-regulations-in-the-uk-that-nobody-is-discussing