<xs:simpleType name="MomentumUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="kg.m/s">
      <xs:annotation>
        <xs:documentation>kilogram metre per second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbm.ft/s">
      <xs:annotation>
        <xs:documentation>foot pound-mass per second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>