How to tell when you are dealing with a Tree Lopper or an Arborist

http://goldcoasttreeremovalblog.bravesites.com/entries/general/don-t-know-the-difference-between-a-tree-lopper-and-an-arborist-

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