Abin da ake kira jujjuyawar mutuwa yana nufin ba za a iya gyarawa ba don dawo da aikin da ake amfani da shi na lalacewa, wato, lalacewa ko guntun mutuwar ƙirƙira da aka saba faɗi. Domin taka a forming mutu jam'iyya na aikin na forgings, shi kai tsaye a lamba tare da zafi billet, kai da aiki na turu irin zafi load, da kuma ƙirƙira kayan aiki shafi a karkashin high makamashi tasiri load da blank karfe kwarara scouring da embellish rawar. da zamewa wakili da sauran muhalli kafofin watsa labarai, a cikin mold na ƙarfe da sarrafa ingancin ƙayyadaddun bayanai da kuma al'ada aiki yanayi, ƙirƙira mutu na lalace ko halakar da Mafi ya faru a cikin mutu jam'iyya, sabili da haka, da gazawar na ƙirƙira mutu ne yafi mold jam'iyya fayil yanzu iya' t hanyar gyara don mayar da samar da ƙwararrun ƙarfin ƙirƙira.