تعريف gray-collar في الإنجليزية الإنجليزية القاموس.
Of or pertaining to working-class professions that do not involve significant manual labor, such as skilled technical professions, combining elements of blue-collar and white-collar
Vocational training reaches greater fractions of the labor force in nations like West Germany; large Japanese companies invest more heavily in job-related training for blue- and gray-collar employees than do American firms.