This standard specifies the International System of Units (SI) (3., 4., and 6.); b) integer multiples of 10 of the SI units for general use from among the units in the table; It recommends the use of some specifically selected units and also specifies other units that may be used in conjunction with the International System of Units (5., 7. and Annex A), e) Definition of Sl basic units (Annex Specify B).