{HEAD ~ The slide bars} are configured in {TAIL ~ a triangular arrangement} and are supported within the housing by a combination of linear ball bearings and a plastic bushing 
{ HEAD ~ The slide bars } are configured in { TAIL ~ a triangular arrangement } and are supported within the housing by a combination of linear ball bearings and a plastic bushing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH