The Best Episodes of How It's Made Season 4

This episode demonstrates the production processes for 3D commercial signs, hardwood floors, corrugated polyethylene pipe and mattresses, and shows how each is made.

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This episode demonstrates the production processes for plastic bottles & jars, mail, eggs, handcrafted wooden pens, and shows how each is made.

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This episode demonstrates the production processes for high-precision cutting tools, stained glass, semi-trailers, recorders, and shows how each is made.

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This episode demonstrates the production processes for car engines, flour, recliners and envelopes, and shows how each is made.

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This episode demonstrates the production processes for plastic cups & cutlery, special effects makeup, gold and harps, and shows how each is made.

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This episode demonstrates the production processes for plastic injection moulds, automotive oil filters, filing cabinets, blown glass, and shows how each is made.

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This episode demonstrates the production processes for conga drums, metal plating, buttons, and shows how each is made.

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This episode demonstrates the production processes for grinding wheels, compost, window blinds, milk, and shows how each is made.

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This episode demonstrates the production processes for ceramic tiles, nuts, steel forgings and skateboards, and shows how each is made.

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This episode demonstrates the production processes for countertop laminate, frozen treats, children's building blocks and detergents, and shows how each is made.

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This episode demonstrates the production processes for brushes & push brooms, blackboards, smoked salmon and zippers, and shows how each is made.

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This episode demonstrates the production processes for architectural moldings, pulleys, industrial rubber hose and sheet vinyl flooring, and shows how each is made.

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This episode demonstrates the production processes for putty knives, garage doors, electric motors and wool, and shows how each is made.

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