Ngwaahịa bụ isi nke ụlọ ọrụ ahụ: eriri plastik / ígwè ndọta, mkpuchi Bellow, ebufe mgbanaka, nkesa magnetik, tube Coolant, na ngwa ngwa igwe ndị ọzọ.

Ụdị akwa akwa okpukpu abụọ-ahịrị na-ebu ịdọrọ yinye