The objective of {TAIL ~ the invention} is to enable {HEAD ~ the metal sheet} to be fixed in a simple manner 
The objective of { TAIL ~ the invention } is to enable { HEAD ~ the metal sheet } to be fixed in a simple manner
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH