{TAIL ~ Electric timer} with {HEAD ~ program carrier} switchable from a short term to a long term program 
{ TAIL ~ Electric timer } with { HEAD ~ program carrier } switchable from a short term to a long term program
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH