The term 'IT MAY BE BLOWN' can be solved by the crossword solutions FUSE (4 letters) and TOP (3 letters). FUSE is a device that is used to protect electrical circuits from overloads. It is made of a metal wire or strip that melts when too much current passes through it, thus breaking the circuit and preventing further damage. TOP, on the other hand, is an acronym for Test, Operate, and Perform. This is a process used in the maintenance of electrical systems, where the system is tested, operated, and then performance is evaluated.