1. Otu igwe bụ ọtụtụ ebumnuche, na dum ọkụkọ ara na beef nwere ike bee n'ime urukurubụba udi ma ọ bụ obi udi n'otu oge site na-achịkọta cutter set.
2. eriri ebubata ebubata, dị mfe ihicha, ibufe kwụsiri ike, nwere ike bee ọbụna obere anụ.
3. Mpempe akwụkwọ na-ebubata na ọkpụrụkpụ nke 0.3mm na-eme ka ọ dị nro na ịdị n'otu nke mbepụ nke mpekere anụ.Ha nwere ezigbo mgbanwe ma nwee ike ịchacha ya.Ha nwere ogologo ndụ ọrụ, zere nnọchi ugboro ugboro, ma belata ọnụ ahịa ngwaahịa.