- Author
- Robinson, B.
- Title
- Communicating Underground.
- Journal
- Fire International, No. 177, 27,30, June 2000
- Keywords
- communication networks | rescue operations | tunnels | radio equipment | masks | mine fires
- Identifiers
- road/rail tunnel; confined space; hand held radios; guided wire radios; hard wire intercom; face masks options; 'through the ground' radio