{TAIL ~ The pressing device} is configured to press the openably closable unit toward the open position in which {HEAD ~ the unit} is extended 
{ TAIL ~ The pressing device } is configured to press the openably closable unit toward the open position in which { HEAD ~ the unit } is extended
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH