Roping out limbs helping the climber lower them to ground, using a chipper, knows how to use a chainsaw, cleaning up grounds after pruning or removal of trees, with a VALID Drivers Lic., to be able to drive equipment from shop to jobs, and can pull a trailer loaded w/equipment, etc. For The EXPERIENCED ONLY, We Do Not Have on the job training, please only inquire if you have worked for another tree company.