1. The Left Wing Blade is positioned closest to the front of the lawn mower.
2. The Center Blade is positioned in the center of the lawn mower.
3. The Right Wing Blade is positioned closest to the rear of the lawn mower.
The blades can be adjusted with a wrench to ensure they are level with each other and cut the grass evenly. Additionally, the blades should be sharpened regularly to maintain optimal cutting performance.