Umshini ungenza ishidi elinothayela kanye neshidi eligoqiwe elibandayo elinogqinsi oluhlukene lwe-1.5mm, 2mm no-3mm, amamodeli amaningi ayatholakala.
Izinto zokusika:Cr12, ubulukhuni obuphezulu.
Bushelelezi ngokwanele. Ukuqina komshini, impilo yesevisi ende nezinga lokuhluleka eliphansi. Amandla emoto amakhulu
Umshini wokuthengisa oshisayo. ngaphezu kwamasethi angama-20 ngonyaka.