We are doing the best we can!

A man sees two workers in the street doing the following: the first one is digging a ditch, and the second one, a few feet behind is covering the ditch with the sand that was just dug out. After watching them for a while he could not resist his curiosity and he went up to ask them what they were doing and what was supposed to be the purpose of their work. “ This is very simple, mister” said one of the workers, “ Usually we are a team of three : One digs, the other puts communication cable in to the ditch and the third one covers it. Unfortunately, the guy who puts the cables into the ditch is sick today, so we are doing the best we can !”
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