{TAIL ~ Further object} is to provide {HEAD ~ a covered button} of the aforesaid type which can be easily assembled 
{ TAIL ~ Further object } is to provide { HEAD ~ a covered button } of the aforesaid type which can be easily assembled
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH