Politges

 

Resistant materials video summary

This video from GCSE Bitesize sumarizes resistant materials types and properties.

Animation of aluminium extrusion process

Here you have a short video on the process of metal extrusion.

Gears

Simple machines - working together

Simple machines - Inclined planes

Simple machines - Pulleys

Simple machines - Wheels and axles

Simple machines - Levers

Watch this video. It's clear, complete and fun.

Metal machining

Very nice video on how metals are machined