Who carries heavy loads around today? Who drills a hole in the wall with pure muscle power? Who still washes his clothes on a washboard? Almost nobody. The human being has invented many devices, which make his life and work easier. This began with the work mill for a mill and moved on to the jet engines for a Jumbo jet and then to the computer. Devices that make your work easier or even do it for you are called machines in the technical language.
Machines can:
Examples