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