Copper, Aluminum, and Lead. 
3 
2 
INNE 
Ne 
N 6 
Br 
NO'S 
AVE 
IM 
ble 
| 
PMB SS NGI ele 
ES SR eae 
(ea ee 
oF 
eH 
[| 
Fe 
ai 
Sen RABAS ARS Ss 
re wi 
aa 
be 
Me 
a 
ie 
led 
ie 
a 
a 
i 
eo 
Z 
We 
A 
oe 
Bee ia 
Fi | hb | | ob 
