THE quest neared a climax. For two days the machine roared while dredging the mud. Finally, the red tap that it had been looking for came into sight. With a half a diameter in size, it was large enough. However, because it was submerged under 3 meters of mud, it was hard to find.

Dozens of black-uniformed people immediately cleaned the tap. They removed the mud meticulously. Now all we need to do is install the snubbing unit in this well, one of