Head noun: phosphogypsum
| Same concepts |
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| http://dbpedia.org/resource/Phosphogypsum |
Broader concepts
| label | provenance | confidence |
|---|---|---|
| material | isap:64373120 | 0.281376 |
| by-product | isap:29214487 | 0.278766 |
| waste | isap:142303215 | 0.267388 |
Narrower concepts
| label | provenance | confidence |
|---|