THE WONDERFUL WORLD OF KNOWLEDGE : HOW MACHINES WORK

Brand :
200.00
ektaadmin
Category:

Machines work for us to make life easier. The wheel – a wonderful, simple device that rolls along smoothly – is a machine. So is a jumbo jet, which is really thousands of machines linked together to speed us around the world.

Reviews

There are no reviews yet.

Be the first to review “THE WONDERFUL WORLD OF KNOWLEDGE : HOW MACHINES WORK”