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.
Veja como são feitos os dormentes de ponte ferroviária, os filtros de membranas, o bate-estacas hidráulico e os biplanos.
