We observe from the shoes of friends in school and found the problem that the shoe polish is expensive. The smell smelly black shoe polish on a chemical called Of Sudan red mix, research the Sudan red, affect destroyed DNA which resulted in a tumor. Into the body by inhalation or contact.Therefore, we choose to use a banana peel containing potassium. Which helped make shoes, shadow and banana peel can be easily obtained by local and saving expenses and can bring a product to create money for themselves.
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