Moderate difficulty suitable for most players
Innovative Applications of Rare Metals
Moderate difficulty suitable for most players
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Across
- 1. Extremely durable rare metal used in high-temperature spark plugs.
- 2. A rare metal widely used in catalytic converters.
- 3. Valued in electronics for corrosion-resistant capacitors.
Down
- 4. Used in camera lenses for improved clarity.
- 5. Highly reflective rare metal used for plating jewelry.
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- Moderate difficulty suitable for most players