Killing Trees

How to Fell or Cut Down a Tree Using a Chainsaw - YouTube - https://www.youtube.com/watch?v=Teb2bQsqx44

How to fell a tree
 * https://www.youtube.com/watch?v=Wj1d85CLDOQ

Kickbacks
 * https://www.youtube.com/watch?v=M2arMD1ITJ4
 * https://www.youtube.com/watch?v=G3v7Dm7KYQc