The carriage is provided with rolling elements and the guide arrangement includes at least three guides that are parallel to one another, each of which is arranged for supporting and guiding a respective rolling element in {HEAD ~ an operative configuration} of {TAIL ~ the carriage} 
The carriage is provided with rolling elements and the guide arrangement includes at least three guides that are parallel to one another , each of which is arranged for supporting and guiding a respective rolling element in { HEAD ~ an operative configuration } of { TAIL ~ the carriage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL