... .material:paper,bamboo,fuel 2.Two different kinds of fuel cell:white wax and cotton wax 3. ... shape,Logo2.material:paper,bamboo,fuel3.Two different kinds of fuel cell:white wax and cotton wax4.Two ... different kinds of wire:steel wire and cotton rope,and asbest ... rope .5.Two different kinds of paper:copy paper and tissue paper,Fire-resistant paper6 ...