— 221 — 
Alleg. S. 
1.00 
Schema I f © g : @ © © @ 
S; °© © ; © © 
I © © © A © © 
© © 1 © © 
© © B© | © © 
© © © © 
© © © © @ 
Per foro Gr. 20 
Per metro quadrato . » 40 
Fori per metro quadrato N.° 2 
1. oo 
Schema II / | g ; (§) 
o| (§) 
( (§> (§> 
<§> 
(§) (§) 
(§> 
(§) <§> 
(§) # (§> 
(§> v # ; (§) 
(§) a (§> # 
(§> 
Per foro Gr. 30 
Per metro quadrato » 60 
Fori per metro quadrato 2 
