Working in the construction field is really hard since you need to carry a lot of heavy materials from one point to another. Now, it would be harder if you would be carrying one material from one point to another. Fortunately, there are operators that does that, but the operator doesn't have an easy job since he need the knowledge to drive more than one constructions equipment or he might be replaced by someone who knows how to drive two or more equipment in the construction company. In this field, it is important that you can do more job as the company would find you irreplaceable if you could do that. construction company doesn't always have work, so it is important that you know to do more than one job. If you are a driver, you need to drive more than one equipment or you might need to say good bye to your job soon. That is how, things are going in the real world.
In this game, you need to do several tasks and all of them requires you to drive different heavy equipment. You need to do your job as fast as you can since there is a timer.