A Tree Lopper or an Arborist? How to know the difference

https://nanohub.org/members/237786/blog/2019/07/how-to-tell-the-difference-between-at-tree-lopper-and-an-arborist

One of the very pressing needs following a thunderstorm is to truly have the branches and leaves of the trees in a compound trimmed. Here a differentiation must be produced involving the Arborist and the tree lopper