🌐EnglishEnglishDeutschPolskiفارسیEntityQ1474378· pop 6· linked from 97 articlesspark testingSign in to savemethod of determining the general classification of ferrous materialsAvailable in 5 languagesDeutschPolskiTamilفارسیvia Wikidata sitelinks · CC0ConnectionssandpaperEntitymetal castingEntityCategoriesFerrous alloysMetalworking