Only 250 years ago, trains were powered by horses and sometimes even by humans. Now, the fastest trains carry passengers at speeds of over 300km per hour. Learn about trains of all kinds whether powered by steam, diesel or electricity, or whether travelling over the world's highest mountain ranges and even beneath the sea.
What does the mighty machines do to help people made a building?
When people build a dams, so beavers build it too.
What do the ships bring into our country? Read it more to finds out.
Look at these bags.What do the tags show?
Why does an electrician need to drive a van at work?
Dunia mesin-mesin cepat menantang dan menarik. Buku ini menguraikan mengenai kendaraan-kendaraan yang bisa melaju sangat cepat dari sepeda kayuh tercepat sampai hidroplane berlambung.
The book explains the informations and quirky factsto explain everything from 'Why do cars need petrol' to 'Why don't ships sink?''