Iqhwa
Iqhwa lingamanzi aqandisiwe aba sesimweni esinqumile, imvama okuyinto eyenzeka ngaphansi kwamazinga omchadamo ayi-0 wama-Celsius noma ama-Fareinhiet angama 32 °F (0 °C; 273 K). Ngenxa yokuba khona kwezisila ezifana nezinhlayiya zomhlabathi noma amabhamuza womoya, lingaba luntwentwe noma ukweqa noma lifiphale kancane ngombala osabumhlophe obulundwa.