Working with machine structures on skis, there are only a few variables that can be adjusted to influence the performance of the ski.br /br /The structure on the ski base is primarily a closely spaced lengthwise pattern of micro-grooves. Depth of the grooves varies from about 0.01mm to 0.05mm or more. Spacing of the grooves can be anywhere from 0.25 mm line-to-line and wider.br /br /Some structures, such as those prepared on the
