Madaidaicin bututun karfe na kabuana buƙatar amfani da samfur don daidaitawa a cikin tsarin samarwa, wato, lubricant na gilashi, wanda aka samar da graphite kafin amfani da mai mai gilashi, saboda a lokacin babu irin wannan samfurin a kasuwa.Saboda haka, graphite za a iya amfani da kawai a matsayin mai mai, amma a karkashin dogon lokaci amfani, kowa da kowa zai sami wasu matsaloli, wato, da zafi canja wurin graphite yana da yawa, da thermal insulation sakamako kuma ba shi da kyau sosai.Ta wannan hanyar, zafin jiki na mold zai zama da sauri a lokacin aikin, kuma yana da sauƙi don haifar da lalacewa na madaidaicin bututun karfe, don haka samfurin ba za a iya amfani da shi na dogon lokaci ba.Saboda haka, masana'antun sun kasance suna neman samfurin da zai iya maye gurbin graphite, wato, man shafawa na gilashi, amma me yasa za a yi amfani da su?Wato saboda akwai fa'idodi da yawa na tanderu trolley.Na farko, saurin canja wurin zafi yana da ƙananan ƙananan, don haka zai iya taka rawar kiyaye zafi kuma yana iya tsawaita lokacin amfani da kayan aiki.