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
Ahmed Janka Nabay and 2010. In June 2010, he formed a full band, Janka Nabay and the Bubu Gang, with members of four Brooklyn indie rock groups Skeletons, Gang Gang Dance, and Starring. In 2012, Janka's band announced that they had signed a three-album record deal with David Byrne's record label, Luaka Bop. Janka Nabay was of Mandingo and Temne descent, two of the ethnic groups within Sierra Leone. It was reported on April 2, 2018 that Janka Nabay had died. Causes of his death remain yet unknown. He was 54 years old. "Ahmed Janka Nabay, the Sierra Leonian musician renowned for pioneering