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Match the following
Match the following
| P. Nickel-silvers | 1. Alloys of tin, antimony and copper used as a bearing material |
| Q. Nitralloys | 2. Steel used for nitriding containing aluminium, chromium and molybed num |
| R. Babbits | 3. Soft magnetic material used as electromagnet |
| S. Permalloy | 4. Ternery alloys of copper, nickel and zinc with good cold formability |
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