Anyị n'ime-ụlọ ngwá ọrụ mmepe eme na toolshop-enyere anyị aka inye kachasị na ahịa-kpọmkwem stampụ na a range. Ihe nke ihe. Anyị nka gụnyere igwe anaghị agba nchara, mmiri ígwè warara, tupu ntekwasa ma ọ bụ tupu-obi tara mmiri ihe na-abụghị ferrous ọla. Shapesdị niile ị chọrọ ga-abụ otu mpempe akwụkwọ stampụ.