kposara bụ ụdị nkịtị fasteners, ya nhazi ọkwa nwere a dịgasị iche iche nke nkịtị nkewa maka n'ibu kposara, onwe-tapping kposara, akuakuzinwo kposara na mgbasa kposara anọ.Mechanical skru na-bụ nke a na-eji na-ewu, ụgbọala, igwe, eletrọnịkị, aer ...
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