Boyin mwachindunji digito kusindikiza luso wakhala luso lalikulu mu makampani nsalu chifukwa cha dzuwa kwambiri, kuteteza chilengedwe ndi kusinthasintha. Poyerekeza ndi kusindikiza kwachikhalidwe, Boyin mwachindunji makina osindikizira digito akhoza pro