Yenza umjikelo wokujikeleza komoya ongaphazanyiswanga ngaphezulu komhlaba ukubonelela ngefuthe lokupholisa okusebenzayo ehlotyeni.
Ishushu kwaye ibandayo isuswe kwisantya sokusebenza esisezantsi okanye sokubuyela umva.
Akukho sidingo sokusebenzisa i-noisy "abalandeli abaziingqukuva 'eziphezulu" kulo lonke.
Abalandeli be-HVLs abayi kuphazamisa okanye bakuphazamisa ukusebenza kwenye inkqubo ye-HVAC okanye yenkqubo yokuGcina i-HVAC.
IXESHA LOKUQALA: UMar-29 ukuya ku-4021