My dad was a truck driver back in the day.
Well thank him for his service! Truck drivers are essential to our society, as raw materials need to be moved in great quantity.
I will tell him! I didn't know truck drivers were so important!
Trucks in general don't get enough love.  The majority of manufacturing goods is done by truck.
That is so interesting! I wonder how many people drive trucks for a living.
That's tough to say, seeing as how anyone who earns a living as a driver, semi, box, or dump, could call themseves a truck driver.
That
Dump trucks really weren't even conceived of until the late 19th century in western Europe though.