1
nke eriri eriri ahụ kamakwa iji mee ka onye na-eme ihe na-enweghị nchekwa na radieshon nke laser.
2. 19 "Ekike ịkpụpụta plastik eletrik na-agbasa, ọ dị mma;
3. Enwere ike iji ya maka rịbọn & carch eriri;
4.
5. Trathzọ doro anya fiber, a pụrụ ịkọ nkọ ma chekwaa ya na tray;
6. Enye na-agbanwe agbanwe, adaba maka ọrụ na ndozi.