Initialism for Responsible Service of Alcohol, an Australian qualification and permit.

Sigla de Responsible Service of Alcohol, certificación australiana y permiso.

Initialism for runway safety area, a prepared zone beside a runway.

Sigla de runway safety area, zona acondicionada junto a una pista.

Initialism for recreational sea angler, a noncommercial marine sport fisher.

Sigla de recreational sea angler, pescador recreativo en el mar.

Initialism for road safety authority, a national agency for road safety.

Sigla de road safety authority, organismo público de seguridad vial.