, pub-7169657227878451 , DIRECT, f08c47fec0942fa0, pub-6403044094328716, DIRECT, f08c47fec0942fa0

Author: Heba Soffar

The light bulb structure 0

Uses of light bulbs and their structure

The electric lamps Electric lamps are tools that convert the electric energy into the light energy by passing the electricity through them, There are different types of the electric lamps, but the most popular...