Power and power transmission

Revision	When	Who	Comment

7	September 14, 2020	MARC Bot	import existing book
6	August 13, 2020	MARC Bot	remove fake subjects
5	August 31, 2016	Jessamyn West	Reverted Spam
4	July 22, 2016		Edited without comment.
3	May 4, 2010	EdwardBot	add Accessible book tag
2	February 2, 2010	WorkBot	add more information to works
1	October 21, 2009	WorkBot	add works page