Duration
30 minutes
Series Info
Season 21 Episode 21 of 26
Quick Summary
How pressed glass and utility knives are made
About This Program
More everyday items are put under the microscope, examining how pressed glass, pick-up truck cabs, alpaca yarn and utility knives are made
How It's Made broadcasts on Discovery Science at 8:30pm, Monday, 22 December 2025. (Subtitles)
Channel Numbers:
Sky HD787Sky167Virgin179
Production Details
Runtime30 mins
