According to {TAIL ~ the invention}, {HEAD ~ the centrifuge} further comprises a means for controlling the progress of the sample separation is located at the chamber 
According to
According to { TAIL ~ the invention } , { HEAD ~ the centrifuge } further comprises a means for controlling the progress of the sample separation is located at the chamber
REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH