Original sentence: "The Aluminum Company of America" -- became the firm's new name in 1907.Throughout the 1960s, 70's and 80's the plant became focused on flat-rolled products for the aerospace industry
Edited sentence: "The Aluminum Company of America"—became the firm's new name in 1907.Throughout the 1960s, 70s and 80s the plant became focused on flat-rolled products for the aerospace industry