An Italian, an Irishman and a Chinese fellow are hired at a Sydney construction site. The foreman points to a huge pile of sand and says to the Italian guy, “You're in charge of sweeping.” To the Irishman he says “You're in charge of shoveling.” To the Chinese guy, “You're in charge of supplies.” He then says, “Now, I have to leave for a little while. I expect you guys to make a dent in that there pile.” So the foreman goes away for a couple hours, but when he returns the pile of sand is...