1. Ukuhlukaniswa kwama-fasteners kunezinhlobo eziningi zama-fasteners, ezingahlukaniswa ikakhulu ezigabeni ezilandelayo ngokuya ngesimo se-Shape kanye nomsebenzi: I-Bolt: i-cylindrical fastener nge-nati, ukufeza umphumela wokuqinisa ngokujikeleza nati. Bolt ...
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