Enwere ?t?t? ihe ekwes?r? ?t?le iji bulie elele uru d? na ya yana usoro stamp? ziri ezi.

Firstly, nkenke b? oké egwu na n'ichep?ta ikpeaz? ngwaah?a. Obi ab?? ad?gh? ya na ? d? oké mkpa ?mep?ta ?d? ngosip?ta na nk?wa ziri ezi iji belata njehie, nt?p? na nr?r?, nke nwere ike imet?ta ike ya na nguzosi ike n'ezi ihe n'oge mmep?ta, yana ar?m?r? ya mgbe emechara ya.

Nke abuo, ? d? mkpa ?mata njirimara na akparamàgwà nke ihe eji maka nkenke stamping. Mkp?r? (d?ka igwe anagh? agba nchara, aluminom, ?la k?pa, ?la k?pa na ?p?r?iche ?la) na plastik na-eme d? iche iche mgbe ekpughere ha compressive agha, okpom?k? na ihe nd? ?z? n'oge stamp? usoro.

Nke ato, ?h?r? usoro nkenke z?p?tara kachas? mma maka ak?r?ngwa ka emep?tara b? mkpebi b? isi. Na-ar? ?r? na ah?mah? nkenke metal z? onye na nd? d? mkpa nka g? ?l? ?r? ga-emecha-aga ogologo ?z? kwup?ta nweta g? zaa na ch?r? ga esi.