4. Railway Bridge Ties, Membrane Filters, Hydraulic Post Drivers, Bi-Planes (2014)
This episode demonstrates the production processes for Railway Bridge Ties, Membrane Filters, Hydraulic Post Drivers, and Bi-planes and shows how each is made.
Release date: 2014-04-24
User rating:
10 / 10
1 votes
Season number: 23
Episode number: 4
Runtime: 21 minutes
Rest of the cast - click here to expand
Brooks T. Moore - Narrator (voice)