Incazelo:
1 Sebenzisa ubuchwepheshe obusezingeni eliphezulu obuphakathi
2 ukusebenza kahle okuphezulu nokucabanga okucacile, imisebe evuzayo ephansi ingu-1% kuphela wezinga likazwelonke
3 Inkinobho ethintwa ukukhanya, elawulwa nge-microcomputer, cindezela inkinobho eyodwa kuphela ukuze ukhethe ipharamitha yokuchayeka, cibvebuebt ngokushesha nangokunembile.
4 Ukuthuthukiswa ekamelweni elikhanyayo, isithombe ngomzuzu owodwa, udokotela angakwazi ukuxilonga ngokushelelayo