generator: a thing that generates something in particular.

trans: denoting or relating to a molecular structure in which two particular atoms or groups lie onopposite sides of a given plane in the molecule.

form: the visible shape or configuration of something.

assembly: a group of people gathered together in one place for a common purpose

line: a long, narrow mark or band.

mass production: produce large quantities of mechanical process.

emerge: move out of or away from something and come into view.

proletariat: workers or working-class people, regarded collectively

dictatorship: government by a dictator

revisionist: a policy of revision or modification, esp. of Marxism on evolutionary socialist.

Thomas Edison:

Alexander Graham Bell:

Guglielmo Marconi:

Karl Marx: