M'makampani amakono osindikizira nsalu ndi kudaya, makina osindikizira a nsalu a Boyin amagwiritsidwa ntchito kwambiri komanso otchuka chifukwa cha kulondola kwambiri, kulowa mwamphamvu, kugwiritsa ntchito bwino kwambiri, kuteteza chilengedwe ndi zabwino zina. Muntchito yotsatsa ya Boyin, tidzakhala en
Pakusindikiza koyenera komanso kolondola ndi makina osindikizira a Boyin digito opangidwa ndi jet digito, chithandizo cha inki yazinyalala ndi ulalo wofunikira womwe sungathe kunyalanyazidwa. Wololera m'zigawo ndi mankhwala zinyalala inki si chinsinsi