Ubani Owasungula I-Zamboni
I-zamboni yaziwa nangokuthi i-ice resurfacer. Yasungulwa ngo-1949 eCalifornia, nguFrank Zamboni. UZamboni wayengumsunguli nonjiniyela waseMelika. Ugqozi lwakhe lwavela eqinisweni lokuthi wayenendawo yokushushuluza eqhweni eCalifornia futhi inqubo yokuvuselela iqhwa yayithatha isikhathi esiningi. Ngokusebenzisa isizinda sakhe sokupholisa phakathi neminyaka ka-1941-1947 waqala ukusebenza kusibonelo sokuqala.