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Northumberland river, 3 letters
English cloth measure, once used for tax purposes, 6 letters
Alloy found in magnets, 6 letters
Alloy used in making magnets, 6 letters
Metal alloy named for its elements, 6 letters
Permanent-magnet alloy, 6 letters
Trade name for an alloy used to make high-energy permanent magnets, 6 letters
Contains aluminum and iron and nickel plus cobalt or copper or titanium, 6 letters