tans use vannya ratings terms as was as differentia:sip systems to 603000 that tecoovnendebons JPMSI uses a 'rebitne'rahnes system as descobtd ohm, IRParay use a eldferentrelogs system such as es an absolute-ratings system and use such terms as 'uy Taff'. a 'sea' Synce'reistbearsd %bsokee'rattngs systems