{HEAD ~ Systems} and {TAIL ~ methods} for preparing solid samples for analysis, such as microscopic examination in cross section or planimetric orientation 
{ HEAD ~ Systems } and { TAIL ~ methods } for preparing solid samples for analysis , such as microscopic examination in cross section or planimetric orientation
HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH