Kuba: Ukulinganisa ulusu oluhlaza okwesibhakabhaka ngaphambi komlo. (Qaphela: Ayilungelanga isikhumba esimanzi esimanzi emva komlo.)
Iimbonakalo
1. Sebenzisa indlela yokubonisa imbonakalo ye-digital yedijithali, kunye nebhanti elikhethekileyo lokudlulisela, ukulungisa ukulinganisa kufikelela kwinqanaba lemveliso eligqityiweyo.
2. Izikena zitywinwe kakhulu ukuthintela ungcoliseko lwemichiza.
3. Isakhelo senziwe nge-SS 304.
I-4. Ibekelwe ngokukodwa i-patent ye-patent yamanye amazwe.