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