Stato tecnico: ceramica?

https://w3id.org/italia/lombardia/data/technical-status/2p010-01650-48dd2dbf1822ba0a2d70d7681cd9fa31 <https://w3id.org/arco/ontology/denotative-description/TechnicalStatus>

Stato tecnico: ceramica? 
ceramica? 
https://w3id.org/italia/lombardia/data/technical-characteristic/48dd2dbf1822ba0a2d70d7681cd9fa31 

data from the linked data cloud