Switching a load on or off from two locations requires two SPDT switches. There are many ways to achieve this. In this video Electrical Engineering XYZ Shares how to achieve this using Traveler wiring system.
In this Electrical Engineering XYZ answers one of the most important questions in the field of Electrical Engineering: Why Motors are Rated in kW. Watch this video to understand the reason, Why motors are rated in kilowatts: