Farmers drove ox-drawn plows through rice paddies .
农民们驱赶着牛在稻田穿梭拉犁。
Hunt also invented a gong for fire engines , a forest saw and a stove to burn hard coal , as well as a knife sharpener , a streetcar bell , synthetic stone , road-sweeping machinery , bicycle improvements , ice plows and paper collars for shirts .
Travel bans expired in connecticut , massachusetts and rhode island , but officials on sunday asked people to stay off the roads to allow plows to reach areas that needed to be cleared .