Ngwa Nyocha

Igwe elele elele nke igwe eletriki

Oke Durometer

Mpekere Punching Mpempe Pọtịnụ

Roba resilience igwe nnwale

Curometer na-enweghị mgbọrọgwụ

Okpukpo ụlọ ịnwale ule

Ngwa igwe

Axial na Lateral ije Ngwa eji eme ihe