The casing also includes a slider which is slidably mounted on the casing body or frame so as to be slidable in {HEAD ~ a lateral direction} of {TAIL ~ the casing body} or frame, and is arranged so as to cover at least a part of a bottom and both sides of the lower casing member 
of
The casing also includes a slider which is slidably mounted on the casing body or frame so as to be slidable in { HEAD ~ a lateral direction } of { TAIL ~ the casing body } or frame , and is arranged so as to cover at least a part of a bottom and both sides of the lower casing member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH