UNITS_DISTANCE.addUnit(new GeneralUnit(0.3048, "ft"));
UNITS_DISTANCE.addUnit(new GeneralUnit(0.9144, "yd"));
UNITS_DISTANCE.addUnit(new GeneralUnit(1609.344, "mi"));
UNITS_DISTANCE.addUnit(new GeneralUnit(0.3048, "ft"));
UNITS_DISTANCE.addUnit(new GeneralUnit(0.9144, "yd"));
UNITS_DISTANCE.addUnit(new GeneralUnit(1609.344, "mi"));