... , construction site, military training, and mountaineering tour, etc. It is the best choice heat source for cook, fired dishes, ... HardnessAdamant (like pilot biscuit)2,Method of applicationPlace it on the slate, surface, sand beach, and then ignite it.3,Matters ... to clean up, etc.With the development of tourism and the improvement of living standard of the people, undoubtedly, the safe, health, green ...