Taman Copper, wanda kuma aka sani da yashi na jan karfe ko yashi na tanderun tanderu, ita ce takin da aka yi bayan an narkar da taman tagulla kuma aka fitar da shi, wanda kuma aka sani da narkakken slag. Ana sarrafa slag ta hanyar murkushewa da nunawa bisa ga amfani da buƙatu daban-daban, kuma ana bayyana ƙayyadaddun ƙayyadaddun ta lambar raga ko girman ɓangarorin. Copper tama yana da high taurin, siffar da lu'u-lu'u, low abun ciki na chloride ions, kadan kura a lokacin sandblasting, babu muhalli gurbatawa, inganta yanayin aiki na sandblasting ma'aikata, tsatsa cire sakamako ne mafi alhẽri daga sauran tsatsa cire yashi, domin shi za a iya sake amfani da. Hakanan fa'idodin tattalin arziƙin suna da yawa sosai, shekaru 10, masana'antar gyara, filin jirgin ruwa da manyan ayyukan tsarin ƙarfe suna amfani da taman tagulla azaman tsatsa.
Lokacin da ake buƙatar fenti mai sauri da inganci, slag tagulla shine mafi kyawun zaɓi. Dangane da matakin, yana haifar da etching mai nauyi zuwa matsakaici kuma ya bar saman mai rufi da fenti. Copper slag shine silica kyauta mai amfani da yashi don yashi quartz.