Iiyunithi ezithwele ibhola yomqamelo ziquka i-insert bearing exhonywe kwindlu yentsimbi etyhidiweyo enokuthi ibotshelelwe kumphezulu wokuxhasa.Ulwakhiwo lwangaphakathi lokufakwa kwebhola ye-insert lufana nelo lokuthwala ibhola ye-groove enzulu.Kodwa ugqatso lwangaphakathi lolu gqatso lubanzi kunogqatso lwangaphandle.Umdyarho wangaphandle unomphezulu ongqukuva.Faka iibheringi zebhola unokuzilungelelanisa nokulingana phakathi kogqatso lwangaphandle kunye nebhloko yokuthwala.Faka iibheringi zebhola zixinene.Yona's kulula ukulayishwa kunye nokothula.