Ukuphuhliswa kwezitshixo bubungqina bembali.Ukusukela kwizitshixo, izitshixo zedrowa, izitshixo zekhabhathi zombane kunye nezitshixo zebhayisekile ngeminyaka yoo-1950 ukuya kutsho kwizitshixo ezichasene nobusela ngeminyaka yoo-1960, ukusuka kwizitshixo ezingqukuva ngeminyaka yoo-1970, izitshixo zezithuthuthu ngeminyaka yee-1980s, ukuya kwi-IC, i-TM kunye ne-RF yokutshixa i-elektroniki ngeminyaka yee-1990, kunye nokutshixa amagama ayimfihlo, izitshixo zeminwe kunye nokwakha iinkqubo zokubonwayo ze-intercom ezimele obona buchwepheshe buphezulu namhlanje, Ubume kunye nomsebenzi wezitshixo zenzekile eMhlabeni - utshintsho olushukumisayo.
Ngesitshixo esifanelekileyo seminwe kwisango, ngaba ubomi bukulungele ngokwaneleyo?Njengeedrowa kunye neekhabhathi, apho ufuna ukuqwalasela ukhuseleko kunye nokulula, luhlobo luni lwesitshixo olunokukhusela kwaye lube lula?
Kweli xesha leminwe ekrelekrele, ewe, khetha "isitshixo sedrowa yeminwe"!