A. Little metal letters called type, are arranged in
such a way as to form the words that you want to
print.
B. The inked letters leave their marks upon the paper
and these marks are the printed words.
C. The letters are then inked over and sheets of paper
are pressed down tight upon them.
D. As many copies can be made of what is printed as
there are sheets of paper.
E. In this way thousands of books make their way to
the market.
F. Printing is a device for multiplying what is written
by making copies of it.