An electric element within {TAIL ~ the vessel} heats {HEAD ~ the water}, causing steam to be directed to the compartment 
An electric element within { TAIL ~ the vessel } heats { HEAD ~ the water } , causing steam to be directed to the compartment
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH