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Follows the cacao bean from the tropical trees on which they grow to the factories where they are roasted, skinned, and ground to make cocoa butter, the major ingredient in chocolate products.
Traces the journey of cotton from the plants, through the cotton gin and the spinning mill where it is made into thread, to the loom where it is woven into cloth, and finally to the clothing factory where it is sewn into pants.
Follows a cow hide from the tannery where it is soaked, scraped, stretched, and sometimes dyed to the shoe factory where it is cut and stitched together to make shoes.
Describes the process of glassmaking from the melting of sand in a furnace with soda, lime, and recycled glass to the molten glass that is blown into bottles and jars and rolled into window panes.
Describes how people gradually switched from the barter system to trading with pieces of gold which were eventually marked with their weight and became coins. Also discusses other metals that are used to make coins.
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