{HEAD ~ An operation pipe} is disposed above {TAIL ~ the sealing cap} in a direction perpendicular to the direction in which an operation button is pushed 
is disposed above
{ HEAD ~ An operation pipe } is disposed above { TAIL ~ the sealing cap } in a direction perpendicular to the direction in which an operation button is pushed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH