Dear, We would need some help from experimented Wikidata users on this discussion : How to list and qualify the significant characteristics of a material ? <https://www.wikidata.org/wiki/Wikidata_talk:WikiProject_Materials/Properties#How_to_list_and_qualify_the_significant_characteristics_of_a_material_?> . Could you help by commenting or voting ? Regards -- Thibdx <https://www.wikidata.org/wiki/User:Thibdx> (talk <https://www.wikidata.org/wiki/User_talk:Thibdx>) 21:15, 30 July 2018 (UTC) -- Thibaut DEVERAUX +33 (0)6 75 51 20 80