How It's Made

Season 23 Episode 4: Railway Bridge Ties, Membrane Filters, Hydraulic Post Drivers, Bi-Planes

This episode demonstrates the production processes for Railway Bridge Ties, Membrane Filters, Hydraulic Post Drivers, and Bi-planes and shows how each is made.

Genre:

Documentary

Seasons:

32

Episodes:

416

Quality:

HD

Status:

Canceled

First Air:

2001

IMDb:

7.6