'''	\"               Copyright c 1990 AT&T
'''	\"                All Rights Reserved
'''	\" THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF
'''	\" AT&T AND IS NOT TO BE DISCLOSED OR USED EXCEPT IN
'''	\"      ACCORDANCE WITH APPLICABLE AGREEMENTS.
'''	\"
.VG 7 5 20 24
.T A Working Model
.PS
boxwid = 1.25i ; boxht = 0.75i
arrow
box "input" ; arrow
box "process" ; arrow
box "output" ; arrow
.PE
.VE Example 12
A Working Model
(pic sample)
