The electronices

The vacuum cleaner was invented by Josephine Cochrane in 1860. She is believed to be the first person to invent the vacuum cleaner. It was used to clean dishes from the tables of ships and restaurants...

Sonal Kundan ChaudhariHi, I am Sonal Chaudhari ! I am in the 5th standard and I love using my imagination to write. Besides writing, my hobbies are drawing and reading. I hope you enjoy my new book!