Ngokujwayelekile lisetshenziswa ekukhiqizeni noma ocwaningweni lwesayensi, igumbi elihlanzekile liyindawo elawulwayo enezinga eliphansi lokungcolisa umoya njengothuli, amagciwane ahamba emoyeni, izinhlayiya ze-aerosol, nomhwamuko wamakhemikhali.Eqinisweni, igumbi elihlanzekile line ...
Funda kabanzi