{HEAD ~ The microstructure} via the shape and fluid tumbles onto {TAIL ~ the surface} of the substrate, self aligns, and engages into a recessed region 
onto
{ HEAD ~ The microstructure } via the shape and fluid tumbles onto { TAIL ~ the surface } of the substrate , self aligns , and engages into a recessed region
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH