Duration
30 minutes
Series Info
Season 21 Episode 17 of 26
Quick Summary
How blast doors are made
About This Program
More everyday items are put under the microscope, looking at how blast doors, lipstick, artificial palm trees and brass plaques are made
How It's Made broadcasts on Discovery Science at 6:30pm, Monday, 22 December 2025. (Subtitles)
Channel Numbers:
Sky HD787Sky167Virgin179
Production Details
Runtime30 mins
