Ezé dị n'ime nke a na-agbanwe agbanwe (skru dị n'ime ọla)

Nkọwa Dị Mkpirikpi:

1. Ihe eji eme ihe: aka ya na polyamide siri ike na PA FV (ojii), ihe e tinyere n'ime ọla nickel.
2. A na-eji Allumen ma ọ bụ Zinc alloy mee ogwe aka; a na-eji ígwè carbon mee spindle, Zinc Plated, ígwè anaghị agba nchara. Agba: Ojii, oroma na ọlaọcha.