Take your time to learn what the equipment needs, to run perfectly. The saws are manual, electric or gasoline powered. If you only bought these tools recently, use the instruction manual to know how to operate them. At the same time, you have to understand that trimming is a sensitive job than just cutting the tree stem. Thus, you have to know how to prune the trees so that you could adjust quickly, to using the chain saws. Make sure that your saws have strong and sharp cutting edges or blades. This will make it easy for you to cut thick branches. Even the hydraulic tree trimming equipment, featuring a few saw styles is easier to use than the petrol powered variety. Do not throw away your money. Research a tool perfectly before you can buy it.