{HEAD ~ The conveying system} 1, wherein said driven portion consists of {TAIL ~ the moveable section} 
{ HEAD ~ The conveying system } 1 , wherein said driven portion consists of { TAIL ~ the moveable section }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL