The first guy handled the machine, which was one of those bulky yet somewhat cool contraptions you saw cleaners in shopping centres use to sweep and mop the floor. He held the two handles by the side while it rotated in small circular motions on the marble floor without stop, making it a shade shinier with each rotation. The second guy, well, he held the door open while the first one completed the task, which was interesting because I had before seen lift doors held open by slotting a thick folded paper strategically between the doors. But for some reason, that did not seem applicable for this lift. Then there was the last guy, obviously the supervisor, given his skin tone was a lot lighter than the other two, who kept barking out instructions. Three guys, just to polish a marble floor about 2 metres by 2 metres. This was the sight that greeted me when I came back home after a year long stay in the US, which involved a project to do more work with less people ie productivity improvem...