Xerography

Xerox machine does as per the eyes in vision, It goes on working for people every season. The exact photography of the things appear, One after another, in closing it does disappear. In 1937 Chester Carlson of U.S.A invented xerography, In 1950 it became available in market with comfy. Xerography comes from the Greek for dry writing, Xerox Corporation supplies this machine in full fitting. Invention of Xerox machine brings vainglory to men, It provides copies to many people standing in den. Pictures of different creatures, flowers and things, Same size and exact appearance machine does bring. It is very useful and unavoidable now days, People use in office, in school and in college. It needs not purchase a book to read a page, Xerography is in use from tiny age to old age. Some people use it as their source of earning, This is an ultra modern technique in learning. Scientists invent many things for people's welfare, But Nature is such that we are bound to care.