ALUMINIUM + 900

COPPER + 4900
LEAD - 225
NICKEL + 234 UNCH
TIN + 100
ZINC - 2025
ALUMINIUM - 9400
COPPER + 300
LEAD - 1050
NICKEL + 234
TIN + 145
ZINC - 2775
Aluminium -3300
Copper -50
Lead -725
Nickel -36
Tin -25
Zinc -2125
ALUMINIUM = (-6525)
COPPER = (-3225)
LEAD = ( -200 )
NICKEL = ( 630)
ZINC = ( -2475)
ALUMINIUM = (+ 12350)
COPPER = (- 2450 )
LEAD = ( – 975 )
NICKEL = ( – 600)
ZINC = (- 250)