Mkpa gị, mmezu anyị
Njikwa ihe: ọtụtụ nhọrọ ọkọnọ isi (ọkara isi, pulp osisi, isi zuru oke).




Mpempe ihe ngosi mmamịrị, oyi akwa na-eme ka isi ọjọọ ghara ịdị, wdg.
Nhazi nha/elasticity/ọkpụrụkpụ ziri ezi (±0.5mm ziri ezi).
Ụbọchị 5-10 maka mmepụta ihe nlele.
Nkọwapụta ndị na-agbanwe agbanwe.