catalin
As he stands next to a crane, this crane operator, and probably the driver of the truck loads a big rock on truck’s platform. But it will not control the arm properly, and the truck will be overturned by the weight falling into a ravine.
First rule when you do such a job is to approximate the weight of the rock as accurately as possible to make sure that the crane is strong and stable enough to complete the mission.
Probably last day at work for the crane operator.