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