Kedu ihe bụ onye nrụpụta stampụ?Usoro ọrụ: N'ezie, onye na-emepụta stampụ bụ ụlọ ọrụ pụrụ iche ebe a na-emepụta akụkụ dị iche iche site na iji usoro stampụ.Ọtụtụ ọla, gụnyere ígwè, aluminum, gold, na ọkaibe alloys, nwere ike iji maka stampụ.Kedu ihe m...
GỤKWUO