... construction site, military training, and mountaineering tour, etc. It is the best choice heat source for cook, fired dishes, barbecue and ... 4) HardnessAdamant (like pilot biscuit)2,Method of applicationPlace it on the slate, surface, sand beach, and then ignite it.3 ... proof, kept away from fire source.The distinctive feature of the product is that it change the adverse contion of traditional product, ...