19*How A Canal Lock Works

How A Canal Lock Works : อัปโหลดโดย เมื่อ 5 มี.ค. 2011

This short film was made to support 'The Fourteen Locks Education Through Restoration Project'

 and although it is aimed at primary school pupils adults may also find it informative

about how canal locks work. Many thanks to Chris Hopcroft for his assistance with the film.

Tercer Juego de Esclusas

อัปโหลดโดย เมื่อ 9 มี.ค. 2008 : Proyecto de ampliación del canal de Panamá

 Big, Bigger, Biggest - Engineering on Water : เผยแพร่เมื่อ 8 ก.ค. 2011 โดย ScienceChannel

Tune-in Tuesdays @ 10pm E/P | For more, visit http://science.discovery.com/tv/big-bigger-biggest/#mkcpgn=ytsci1

Watch the incredible construction and engineering that goes into bridges and transportation of goods through major waterways.

Big, Bigger, Biggest - Canal Lock : เผยแพร่เมื่อ 8 ก.ค. 2011 โดย ScienceChannel :: Tune-in Tuesdays @ 10pm E/P | For more,

 visit http://science.discovery.com/tv/big-bigger-biggest/#mkcpgn=ytsci1 | What is a lock?

Did you know that it is one of the most powerful engineering technology inventions that is used everyday?