Faultfinding:

Faultfinding, or trouble shooting, is an art to some and a science to others. Some people never get the knack of finding a fault or short-coming readily, whereas others seem to have divine guidance when it comes to locating one. For those who find faultfinding an almost impossible and tedious task, this article gives a number of hints to make the process a little easier. It is also describes a randomly chosen actual case.