Mecanmed ke baetsi ba li-screw tse peli le barekisi Chaena ba ka hlakolang magnifier ea mabeli . Re ka fana ka litšebeletso tsa litsebi le theko e betere ho uena. Haeba u thahasella lihlahisoa tse peli tsa screw tse peli , ka kopo ikopanye le rona. Malebela: Litlhoko tsa Bohlokoa: OEM, O IME, o hlophisitsoe ka kopo, 'me u re bolelle litlhoko tsa rona. Re latela boleng ba phomolo ba letsoalo, tšebeletso e inehetseng.