This device is very useful in our life.Without it,we stay in the dark…so be thanks to Thomas Alva Edison & Joseph Swan because their effort and development of a Light Bulb.We can found a bulbs any area likes home,office,factory,shopping complex and many more places.

The basic function of light bulb is electric power supply will make the filament in a enclosed glass shell turn to heater concept and it become hot and reaction with that is either filled or evacuated with an inert gas.Then the bulb will light on.

Now the people more interested about ENERGY SAVING BULBS.It can reduce our electricity cost and have a long life span from 1 year until 3 years.Now in market have a many choice of ENERGY SAVING BULBS.This type can light same brightness like others bulb in low WATT consumption. read more