| 摘要 |
A machine that forms parallel snow skiing tracks, a container ( 48 ) mounted thereon, ejects water throught calibrated jets ( 16 ) by force from a small air pump ( 32 ) powered by a twelve volt utility battery ( 30 ), the water freezes on contact with the snow and renders the tracks glazed with ice, which greatly enhances the ability of the skies to glide in the tracks.
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