-----------------------------------------------
| uri                 | label                 |
===============================================
| nm:ae               | "Bronze"@en           |
| nm:ar               | "Silver"@en           |
| nm:av               | "Gold"@en             |
| nm:pb               | "Lead"@en             |
| nm:al               | "Aluminum"@en         |
| nm:fe               | "Iron"@en             |
| nm:cu               | "Copper"@en           |
| nm:steel            | "Steel"@en            |
| nm:brass            | "Brass"@en            |
| nm:zn               | "Zinc"@en             |
| nm:sn               | "Tin"@en              |
| nm:glass            | "Glass"@en            |
| nm:enamel           | "Enamel"@en           |
| nm:billon           | "Billon"@en           |
| nm:bone             | "Bone"@en             |
| nm:paper            | "Paper"@en            |
| nm:pewter           | "Pewter"@en           |
| nm:potin            | "Potin"@en            |
| nm:el               | "Electrum"@en         |
| nm:palombino_marble | "Palombino Marble"@en |
| nm:marble           | "Marble"@en           |
| nm:terracotta       | "Terracotta"@en       |
| nm:clay             | "Clay"@en             |
| nm:ni               | "Nickel"@en           |
| nm:orichalcum       | "Orichalcum"@en       |
| nm:cupro-nickel     | "Cupro-nickel"@en     |
| nm:fiber            | "Fiber"@en            |
| nm:ivory            | "Ivory"@en            |
| nm:nordic_gold      | "nordic gold"@en      |
| nm:aluminium_bronze | "aluminium bronze"@en |
| nm:sulphur          | "Sulphur"@en          |
| nm:wax              | "Wax"@en              |
| nm:stone            | "Stone"@en            |
| nm:agate            | "Agate"@en            |
| nm:nickel_silver    | "Nickel silver"@en    |
| nm:pl               | "Platinum"@en         |
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