A na-ekewa igwe eji ebi akwụkwọ n'ime igwe na-ebipụta ihuenyo kwụ ọtọ, igwe na-ebipụta ihuenyo oblique ogwe aka, igwe na-ebi akwụkwọ rotary, igwe mpempe akwụkwọ mpempe akwụkwọ anọ na igwe na-ebipụta ihuenyo akpaka.Atụmatụ igwe eji ebi akwụkwọ kwụ ọtọ: maka ibipụta nkenke dị elu, dịka...
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