generic and "not otherwise specified" proper shipping names that are assigned to special provision 274or 318in column(6) of table a in chapter 3.2 shall be supplemented with the technical name of the goods unless a national law or international convention prohibits its disclosure if it is a controlled substance. for explosives of class 1, the dangerous goods description may be supplemented by additional descriptive text to indicate commercial or military names. technical names shall be entered in brackets immediately following the proper shipping name. an appropriate modifier, such as "contains" or "containing" or other qualifying words such as "mixture", "solution", etc. and the percentage of the technical constituent may also be used. for example: "un1993 flammable liquid, n.o.s. (contains xylene and benzene), 3, ii".