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OpenStudy (anonymous):

Lewis Howard Latimer... A. beauty products B. powered flights C. Alternating current power D. self lubricating steam engine E. improved light bulbs and lamps F. railroad sleeping car G. three-position traffic signal H. third rail for electric trains I. assembly line production J.folding cabinet bed

OpenStudy (just_one_last_goodbye):

no tag? xD

OpenStudy (anonymous):

@just_one_last_goodbye

OpenStudy (anonymous):

hahahahah there lol

OpenStudy (anonymous):

nvm lol i got it haha it is E.

OpenStudy (just_one_last_goodbye):

was getting your proof xD http://i.imgur.com/oX9j5Q5.png

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