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Across 2. Hydraulic cylinder that raises and lowers one end of the blade. 4. Bowed axle made up of a device that acts as a walking beam to compensate for uneven ground 7. Hydraulic cylinder that causes the pivoting movement of the blade. 8. Vertical upper part of the conduit that evacuates exhaust gas from the engine. 11. Ring with a toothed crown that causes the blade to rotate around a vertical axle. 12. Counterbalance that prevents the machine from lifting up when it meets an obstacle offering strong resistance. 13. Piece of equipment for leveling the ground that can be positioned in any direction. 14. Wheels driven by the engine to impel the machine; they are mounted on a walking beam to compensate for uneven ground.

Down 1. Set of articulated arms to which the hydraulic cylinders are attached; these arms cause the blade to move and swivel. 3. Front part of the chassis; it is long enough to allow the blade to swivel without striking the wheels. 5. Device converting the combustion of fuel and air into mechanical energy. 6. Machine with a swiveling blade situated between two wheel shafts for leveling the ground or clearing debris off a roadway. 9. Compartment from which the driver operates the grader. 10. Wheel that changes the grader’s direction; it also tilts into a turn to brace against drag when it meets an obstacle offering strong resistance.