A ski is a long, flat device worn on the feet designed to help the wearer slide smoothly over snow Snow is a type of precipitation within the Earth's atmosphere in the form of crystalline water ice, consisting of a multitude of snowflakes that fall from clouds. Since snow is composed of small ice particles, it is a granular material. It has an open and therefore soft structure, unless packed by external pressure. Snowflakes come in a variety of. Originally intended as an aid to travel Travel is the movement of people between relatively distant geographical locations for any purpose and any duration, with or without any means of transport. Travel also includes relatively short stays between successive movements. Movements between locations requiring only a few minutes are not considered as travel. As an activity, "travel& in snowy regions, they are now primarily used for recreational and sporting purposes. Also, a ski may denote a similar device used for other purposes than skiing Skiing is a group of sports using skis as equipment for traveling over snow. Skis are used in conjunction with boots that connect to the ski with use of a binding, for example, for steering snowmobiles A snowmobile, also known in some places as a snowmachine, sled, or skimobile , is a land vehicle for winter travel on snow. Designed to be operated on snow and ice, they require no road or trail. Design variations enable some machines to operate in deep snow or forests; most are used on open terrain, including lakes or driven on paths or trails.
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