0 an engine that uses steam to produce power: --
Before the steam engine and electric power, 70% of us lived in rural areas.
George Stephenson's Rocket was the first steam engine to pull a train effectively in England in 1829.
The steam engine that takes Harry to school is called the Hogwarts Express.
For tourist railways, steam engines are one way to attract passengers and increase profits.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.