Special Features:

P/a aural warning system is a public address system used at ccafs to provide information to sites that is general in nature

Properties:

A fixed number of components and/or items, not all having the same basic name, which are required for reproducing sound specially designed for entertainment and/or dissemination of information. May exclude certain operating components supplied separately or already present at the point of usage, for reproducing sound specially designed for entertainment and/or dissemination of information.