Unlike electric motors, pneumatic and hydraulic machines don't use any electricity at the point where work is being done, so there's less risk of a spark or gas explosion (a very important consideration in places like underground mines). Also, unlike electric motors, both are self-cooling (...
were initially dominated by the middle and upper classes, soccer had definitely become “the people’s game” by the end of the century. For instance,Manchester United, one of Britain’s most storied teams, can trace its history to a club established by the city’s railroad workers in 1880...