Police Badges, Muffins, Car Washes, Pressure Gauges

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How It's Made
18th February 2009 21 mins Season 12 Episode 7

Metal blanks are stamped, plated and finished into police badges, measured batter is deposited and baked into muffins, automated spraying and brushing systems are assembled for commercial car washes, and pressure-sensitive mechanisms are calibrated inside gauges.

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