What does truck driving careers involve?

transportation technicians must be able to drive long periods of time. sometimes having to unload the deliveries --- be drug and alchocal free-- and what i think the backing into a loading dock with trailers on both sides , which i witnessed a few years ago that the traffic that was stopped while this artist backed into a narrow spot on a very narrow road that when the driver got out of the cab the people who got out of their cars to watch this feat actually gave this man an ovation