Janka ratings rank the relative hardness of wood species used in flooring applications. The Janka rating is determined by the force required to embed a .444-inch steel ball to half its diameter ...

In this woodworking video I use a woodturning lathe to turn a a lignum vitae bowls ball into a box with silver birch burl inlay. Kim Sae-ron: Death of South Korean actor sparks calls for change to ...