{HEAD ~ The system} includes {TAIL ~ an uninterruptible power supply manager computer} coupled to a number of user computers via a computer network 
{ HEAD ~ The system } includes { TAIL ~ an uninterruptible power supply manager computer } coupled to a number of user computers via a computer network
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH