3
In the late 1970s, the laser printer had just arrived on the market.
q 20 36 er
r 20 36 er
t 20 36
q 20 36 pnt
e
aBaBa
r 1 5 aba
q 1 5 a
e
We are in the word
q 1 18 er
r 1 18 re
t 1 18
e
