Operating a grader is among the most skilled activities for heavy
equipment operators. There are a bazillion variables. The other
most-skilled job is operating a big crane. Those guys are amazing.

If you're a gov'ment employee, you don't have to be skilled to run
one. The number one call to me about our local roads is poor grading.
On the flip side, some of our roads are graded by the best operator I
know. The difference is truly amazing. Especially after a few years
where the operator has made a hundred passes.

Karl