While the preferred OSM has been described with an outer sleeve compliant layer {HEAD ~ an OSM} without {TAIL ~ an OSCL} is also envisioned, for example in applications requiring a very low cost replaceable surface component 
While the preferred OSM has been described with an outer sleeve compliant layer { HEAD ~ an OSM } without { TAIL ~ an OSCL } is also envisioned , for example in applications requiring a very low cost replaceable surface component
OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH