FOREWORD UNITS UNITS In this manual, the measuring units are indicated with Internatinal System of units (SI). As for reference, conventionally used Gravitational System of units are indicated in parentheses { }. Example: N {kg} Nm {kgm} MPa {kg/cm 2 } kPa {mmH 2 O} kPa {mmHg} kW/rpm {HP/rpm} g/kWh {g/HPh} 00-22 04-05