Igwe igwe igwe bụ ụdị igwe eji eme ihe n'ọtụtụ ebe, igwe igwe igwe nwere ike hazie ụgbọ elu (ụgbọ elu kwụ ọtọ, ụgbọ elu kwụ ọtọ), uzo (keyway, T groove, groove dovetail, wdg), akụkụ nha nha (ngwa, spline shaft, sprocket), gburugburu. elu (eriri, spiral groove) na elu dị iche iche. Ọzọkwa, ọ c ...
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