6 Puentes y conectores ........................................................................................91
.......................................................................................................................................... 94
7 Obtención de ayuda........................................................................................... 95
............................................................................................................................... 95
6
.................................................................................................. 82
.............................................................................. 84
.....................................................................................................85
........................................................................................... 85
.......................................................................... 86
..............................................................................88
.................................................................................... 89
........................................................................................................90
......................................................................................... 91
............................................................................ 93
............................................................................................................ 94
................................................................................................ 95
...........................................................................96
.......................................................................................................... 97
............................................................. 83
............................................................ 84
.................................................................... 85
......................................................................87
.................................................88