Yenziwe ngongundo lwethu lwabucala oluchanekileyo nolukhethekileyo, endaweni yokungundo yoluntu erhabaxa nengakhuselwanga patent.Zonke zenziwe ngezinto ezibonakalayo zokuqala (kubandakanywa kodwa kungaphelelanga kwi: iplastiki yokuqala, izixhobo ze-elektroniki zesandla sokuqala, ii-chips ze-IC) . uyilo kunye nesalathisi samandla esinokubonisa ubungakanani bamandla, kwakhona unokunyamezela ixesha elide: ngaphezu kwemizuzu ye-6 yexesha lokuhamba ngenqwelomoya ngexesha (imveliso yeNqanaba A kunye nokukhuselwa kabini, akuyi kubakho mngcipheko wokutshaja).Ubukhulu obuncinci, amandla amakhulu, kulula ukuthwala, kunye namandla aneleyo.