Before revision: A typical electric fan A table fan alt=Crowd of people standing around a large engine of a Boeing 777|Fans are used to force air into low- and high-bypass jet engines, seen here on a Boeing 777.
After revision: 200px|Electric fan in thailandA typical electric fan A table fan alt=Crowd of people standing around a large engine of a Boeing 777|Fans are used to force air into low- and high-bypass jet engines, seen here on a Boeing 777.