Logging Before Chain Saw

The most common tools for logging in the twentieth century were spring board, wedge and bucking saws. The modern chain saw is a hand-held machine that can be manoeuvrable by one person. But it was developed over many years with help from experts such as David lee who helped to develop first chainsaw. In an earlier age people would have had to use more complex machinery which could not move around so easily. A kurf is the cut that is made while you're sawing wood into logs of a specified length. It's wa i o m with i always you needed a word for this, and i didn't know what it was. And cutting down a tree