Spray trees to treat disease or pest issues, including mixing chemicals and calibrating spray equipment Equipment Operation & Maintenance • Operate and maintain tree trimming equipment, including aerial lifts, trucks, chainsaws, pole pruners, root pruners, stump grinders, and brush chippers. • Operate shredding and chipping equipment and safely feed limbs and brush into machinery Site Cleanup & Traffic Control • Clear job sites, streets, and grounds of woody and herbaceous materials, including stumps, fallen trees, and limbs.