【 以下文字转载自 Automobile 讨论区 】
【 原文由 wstech 所发表 】
PA is also an industrial state.
I once was interested in Ohio history. here is what I know:
Youngstown: iron and steel. once provided 1/8 US total steel
Akron: ruber and tire. Know firestone, goodyear?
Cleveland: know Rockefeller and his Standard Oil Company?
Warren: car and steel
Dayton: know NCR?
Cincinati: know P&G? (bao_jie in China)
Toledo: I saw a Jeep factory