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
Janka-Puszta Janka-Puszta Janka-Puszta or Jankovac was a training camp set up for the Ustashe terrorist organisation in 1931. The camp was located in the Zala County of Hungary, close to the border of the then Kingdom of Yugoslavia near the villages of Murakeresztúr and Belezna. The camp was one of a string of training camps established in Hungary and Italy by the Ustashe. It housed several hundred émigré recruits, mostly manual laborers returning from Western Europe and North America. The recruits swore an oath of loyalty to the leader of the Ustashe, Ante Pavelić, took part in militant exercises, and produced