Types. The selector switch and the knobs differ from one machine to another. The washing machine can operate only with the help of the timer. Timer is generally known as the start button for the washing machine. The digital version is controlled digitally with the help of an electronic switch. Mechanical type is defined as the one fixed automatically. Digital one is a recent invention and many of the new brands have them these days. But a mechanical version is considered as the best and it helps in controlling the time for washing the clothes manually. The former is operated with the help of electronics, which basically means it's connected to electrical wires. The latter is connected to the wires of the machine and they are operated manually.
Breaking down of your washing machine when it is most needed is really painful and the things become even more disturbing when you don't have any idea about its different spare parts. So it is really important to have complete knowledge about your appliance. Your little awareness about the washing machine will save you from those tough times, helping you to fix it on a temporary basis.