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