Caratteristica tecnica: metallo?

https://w3id.org/italia/lombardia/data/technical-characteristic/77b0b20248b36736d9238883354615c8 <https://w3id.org/arco/ontology/denotative-description/TechinicalCharacteristic>

Caratteristica tecnica: metallo? 
metallo? 

data from the linked data cloud