Essay on Mechanisms

INDIVIDUAL

1.  How it works

https://www.teachengineering.org/lessons/view/cub_simple_lesson01

https://prezi.com/8dtxonwsecfz/the-effects-of-simple-machines/

http://idahoptv.org/sciencetrek/topics/simple_machines/facts.cfm

https://www.britannica.com/technology/simple-machine

4.2.2.2. à5%

2. Main parts. Images. Everyday examples.  (5.3.3.1 à4%)

3. Effects on society. A brief of history.       (1.1.1.4 à2%)