{HEAD ~ An electrical power cord} connects {TAIL ~ the unit} to a power source to power the pumps and jets, while hoses provide water for filling and draining the tub 
connects
{ HEAD ~ An electrical power cord } connects { TAIL ~ the unit } to a power source to power the pumps and jets , while hoses provide water for filling and draining the tub
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH