The (applicable modifiers to described subfamily of keyboards) keyboards of certified quality covered by this detail specification. 1. have maximum enclosure dimensions of (maximum length@ width@ and height dimensions). 2. have a maximum rated voltage of (highest rated voltage of subfamily). 3. have a maximum rated current of (highest rated current of subfamily). 4. (other) Object The object of this detail specification is to provide all information required for the identification@ quality assessement@ and certification of these keyboards. The information@ contained herein or by reference@ is complete and sufficient for inspection purpose.