In the today's color challenge I want to take you back in past years when electricity had not reached in many parts of the continent.
The kind of dry cells were used in radios, torches, pianos and other electronic materials.
Today electricity has solved the consumption of dry cells because when they get used they produce a sulfuric acid which is very hazardous to human life.
Do you remember the childhood life.
Which of dry cells were used in your country.
Share with us in the comments below.