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Metal Alloys

Across
This metal alloy is 93% silver and 7% copper.
This metal alloy was one of the first alloys produced by humans, a combination of copper and tin.
This metal alloy is composed of copper and zinc.
Down
An alloy for jewelry making, 75% gold, 12% silver and 12% copper.
A combination of 58% gold, 4-28% silver and 14-28% copper.
A mixture of nickel and titanium that remembers its shape.
This metal alloy mixes together iron and carbon.
This common alloys is used in circuit boards and is a combination of tin and lead.