How It's Made

6:30 PM to 7:00 PM
Wednesday 9 July
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Railway Bridge Ties/Membrane Filters/Bi-Planes

Season 22 Episode 4 of 26

More everyday items are put under the microscope as the series reveals how membrane filters, bridge ties, and bi-planes are made

How It's Made airs on Discovery Science at 6:30 PM, Wednesday 9 July. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Technology