{HEAD ~ The slider} is slidably mounted on {TAIL ~ the lower casing member} so as to cover at least a part of a bottom and a side of the lower casing member 
is slidably mounted on
{ HEAD ~ The slider } is slidably mounted on { TAIL ~ the lower casing member } so as to cover at least a part of a bottom and a side of the lower casing member
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH