Where there is a location in which overgrew power lines, pipelines, or other infrastructure are threre and trees are creating problems in that area, tree trimming is necessary in that case, and that is done by a helicopter.
Want to know how they guys trim trees using a helicopter? Watch out for this video tutorial below for more information.
The below video shows a trimming tree by a power line with a helicopter using verticle blades.
We hope this video has cleared most of your doubt about trimming trees nearby the powerline where a helicopter is being used to trim trees.
If you have any questions about it, feel free to share your thoughts in the comments below.