heavy metal used for stability: crossword clues

Matching Answer
Confidence
IRON
60%
LEAD
60%
ORE
60%
ZINC
60%
STEEL
60%
RIVET
60%
MAUL
60%
INGOT
60%
TONS
60%
SPED
60%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)