Aperture nke pellet igwe na-anwụ na-eji maka nwamba-awụba n'oké osimiri pellet na-abụkarị n'etiti 1.3 ka 3.0mm, n'ihi na nwamba-awụba n'oké osimiri bụ oyi pelleting, ya mere mkpakọ ruru ala (ọ bụ banyere 1:3 – 1:5).Hanpai mgbanaka anwụ anwụ oghere na-ahaziri nke ọma, oghere elu na-eji ire ụtọ dị ka a mirror, mwepu bụ ire ụtọ na zuru, mmepụta arụmọrụ na-abawanye site ihe karịrị 30% ma e jiri ya tụnyere ndị ọgbọ.Iji chịkwaa ịdị n'otu nke ihe dị n'ime oghere