There are thousands of flooring species worldwide, and ranking them based on their looks is challenging. Therefore, hardwoods are often ranked based on their hardness, strength, and workability. The Janka hardness scale is one of the scales used to measure the hardness of hardwood. For more visit >>>>>https://www.articleted.com/article/725140/182369/Why-Consider-Unique-Brazilian-Walnut-Hardwood-Flooring-