Ngokocwaningo, abashayeli bamaloli amabanga amade bachitha u-80% wonyaka beshayela emgwaqeni, kanti u-47.4% wabashayeli ukhetha ukulala emotweni.Kodwa-ke, ukusebenzisa i-air conditioner yemoto yokuqala akudli nje kuphela uphethiloli omningi, kodwa futhi kuyiqeda kalula injini, ngisho nezingozi ...
Funda kabanzi