Why is it necessary to adjust the grading path according to the terrain?

Adjusting the grading path according to the terrain is essential for ensuring even material distribution. Different terrains may present various challenges, such as slopes, curves, or uneven surfaces. By modifying the grading path, the operator can effectively manage how the material is spread over the ground, leading to a smoother and more uniform surface. This is particularly important in road construction and maintenance, where an even surface is crucial for road safety and longevity.

While factors such as equipment lifespan, engine strain, and operator comfort are important considerations in overall machine operation, they do not directly address the primary purpose of adjusting the grading path. Even material distribution directly impacts the quality of the grading job, making it the key reason for this adjustment.