short-term duty short-time duty single-plane through service duty type
type of duty cross-border service feeder service tourism services
videotelephony service visual telephone service services Knowbot Information Services
Small Business Services human services customs services agricultural services
corporate services corporate services general services prior service
past service ancillary services banking services basic child health
shared services community services management advisory services ATIP services
managerial services management services project management services support facilities
primary care services reproductive care center outreach attendant care home support service
marketing services wholesale services configuration services public accounting services
college instruction services ground handling services ramp handling station services
ground handling extension services information services patent information services
border inspection services environmental support services aircraft transient servicing aircraft cross-servicing
mediation services museum services labour services manpower services
network services registration services health services ATN security services
stenographic services telecommunications services telematic services shipping services
seed processing facilities equine services government services identical services
legal services meteorological services retail services n f s
non-factor services nonfactor services non-market services nonmarket services
non-financial services port services services performed services rendered
Algunos ejemplos : Resolución judicial   Refugiados   Escuela primaria   Agricultura ecológica   Tratamiento del cáncer