Straight akara waya ịbịaru igwe bụ a nkịtị metal waya nhazi akụrụngwa, nwere ike ịdị elu, ọkara, ala carbon ígwè waya, igwe anaghị agba nchara, ọla kọpa waya, ọla kọpa alloy waya, aluminum alloy waya, na na, ndọtị processing.The njehie nke. Igwe ihe osise ozugbo bụ 0.1% ziri ezi.Automatic...
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