Essentially the most widespread method of manufacturing fire amongst prehistoric peoples was the friction method. Most commonly, a pointed hardwood was twirled among the palms and pressed right into a hole on the edge of the softer wood. Flint, pyrites, and fire drills are located in Neolithic sites in Europe. https://professional-fire-risk-as46788.webbuzzfeed.com/36731723/workplace-fire-risk-assessment-things-to-know-before-you-buy