Izendlalelo zokuvikela ezi-3: ungqimba lwangaphandle olungalukiwe + ungqimba lokuhlunga oluncibilikayo + ulwelwesi lwangaphakathi olungenabumba Uyaphefumula futhi unethezekile, ukumelana nokuphefumula okuphansi.

2. Umugqa wepulasitiki webhuloho wamakhala ufihle uhlangothi lwebhuloho lamakhala. Ifaneleke kakhulu kuzo zonke izinhlobo zobuso.

3. Imichilo yendlebe eyisicaba ephakeme: ayizukuhluza izindlebe.

4. Isendlalelo sangaphakathi: isikhumba sendwangu engalukiwe ithambile futhi ikhululekile ukunciphisa amathuba okungezwani komzimba nesikhumba.

5. Ukushisela kwe-ultrasonic ngokomzimba, ukuminyana kwamaphoyinti okuwelda, okuqinile nokuhlala isikhathi eside, umsebenzi omuhle.