Out of what metal is Duke Nukem's balls made out of?
Steel
copper
copper
Magnesium
copper
aluminum
copper
Magnesium
aluminum
copper
aluminum
Magnesium
Stainless steel
copper
aluminum
copper
Magnesium
aluminum
aluminium
Stainless steel
copper
aluminum
aluminium
Magnesium
copper
aluminum
Stainless steel
copper
aluminium
aluminum
Magnesium
copper
aluminum
aluminium
Stainless steel
copper
Magnesium
aluminum
aluminium
copper
Stainless steel
aluminum
Magnesium
copper
niobium
aluminium
aluminum
copper
Magnesium
Stainless steel
aluminum
aluminium
tungsten
copper
niobium
Titanium
aluminum
Magnesium alloy
Magnesium.
aluminium
Stainless steel
copper
tungsten
Magnesium
Graphite
aluminum
Titanium
copper
Magnesium alloy
niobium
aluminium
Magnesium.
Stainless steel
aluminum
tungsten
Magnesium
Titanium
copper
Graphite
Magnesite
steel
aluminum
aluminium
Magnesium alloy
Stainless steel
Magnesium.
copper
steel
tungsten
Titanium
aluminum
Magnesite
Graphite
nickel-iron
aluminium
Stainless Steel
steel
aluminium.
Stainless steel
aluminum
Magnesium alloy
Titanium
Magnesium.
tungsten
Magnesite
steel
aluminium
nickel-iron
Stainless Steel
aluminum
Graphite
aluminium.
Stainless steel.
Stainless steel
steel
Magnesium alloy
tungsten
Magnesium.
aluminium
Magnesite
Sodium phosphorus
nickel-iron
Stainless Steel
steel
aluminium.
Stainless steel
aluminium and copper
nickel
Graphite
tungsten
Magnesium alloy
aluminium
Magnesite
steel
Stainless steel.
nickel-iron
Magnesium.
Stainless Steel
Steel
nickel
aluminium.
zinc
aluminium and copper
steel
aluminium
Graphite
tungsten
Stainless steel
Steel
Magnesium alloy
Magnesite
nickel
aluminium and steel
nickel-iron
Stainless Steel
zinc
steel
aluminium.
Magnesium.
Steel
aluminium
Stainless steel.
nickel
tungsten
Graphite
zinc
Magnesite
uranium
iron
steel
Magnesium alloy
nickel-iron
phosphorus
aluminium and steel
Stainless Steel
Stainless steel
copper and steel
Steel
Iron
nickel
aluminium.
aluminium
titanium
zinc
iron
steel
Iron or steel
Sodium acetate
tungsten
Magnesium.
Steel
Graphite
Magnesite
Iron
nickel
nickel-iron
Stainless Steel
Stainless steel
titanium
Graphite.
zinc