{HEAD ~ The step} of removing portions of the sacrificial layer removes portions of the sacrificial layer that are not covered by the first capping structure to define {TAIL ~ an intermediate structure} 
{ HEAD ~ The step } of removing portions of the sacrificial layer removes portions of the sacrificial layer that are not covered by the first capping structure to define { TAIL ~ an intermediate structure }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL