{HEAD ~ This invention} relates to level measurement and is applicable, in particular, to {TAIL ~ level measurement} using ultrasonic reflection 
relates to
{ HEAD ~ This invention } relates to level measurement and is applicable , in particular , to { TAIL ~ level measurement } using ultrasonic reflection
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH