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