Ka anyị na-eme ka usoro nhazi nke "eziokwu, ezi okwukwe na ịdị mma nke ụlọ ahịa na-enwekarị maka ndị ahịa chọrọ,Sistemu griiz,Mmanụ nke lube,Igwe mmanu mmanu,20 lita glue. Echiche anyị ga-abụ inyere ndị na-azụ ahịa nke ndị ọ bụla na-akwado ha aka mgbe ha na-eji onyinye ime ihe ọma anyị niile, yana ezigbo ngwa ahịa. A ga-enye ụwa niile ga-enyefe ụwa niile, America, Australia, Plymouth, na-akwado ihe ndị ahịa na-akwado ya n'oge kwesịrị ekwesị, anyị nwere ike ịhazi ya site na nkwalite ụlọ ọrụ na-akwado ya na tozuru oke tupu yana mgbe ọrụ ahịa. Ọ ga-amasị anyị ịkekọrịta echiche anyị ma nabata ihe gị na ajụjụ gị.