Janka hardness test understand which woods are harder than others. Janka hardness test The Janka hardness test (from the Austrian-born emigrant Gabriel Janka, 1864-1932) measures the resistance of a sample of wood to denting and wear. It measures the force required to embed an diameter steel ball halfway into a sample of wood. A common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the grain, is said to be of "side hardness". Testing
Carlo Janka women's tour at Lake Louise, winning two races and narrowly missing a third win. On 16 January 2010, Janka won the Lauberhorn downhill in Wengen, the longest and fastest race on the World Cup tour, a day after nearly repeating his 2009 win in the super-combined by narrowly placing second behind Bode Miller. On 23 February 2010, Janka won the gold medal in the giant slalom at the 2010 Vancouver Olympics at Whistler Creekside in Whistler, British Columbia, Canada. At the World Cup finals in Garmisch, Germany, in March 2010, he became the fourth Swiss racer to win the World