This video demonstrates the proper use of ladders in tree work, and show video clips of many mistakes that are made by the inexperienced. Generally the use of ladders is frowned upon by professional arborists. So this video is primarily meant targeted towards non-professionals. Though there are occasions, when even a pro might be inclined to use a ladder.
This video focuses on proper set up, tie in, and the safe operation of chainsaws, and most importantly, knowing when to walk away from a job that is beyond one's level of experience.