Stage 01 : A partially enclosed portion of a building used to present plays, demonstrations, or other entertainment; the distance between the top of the proscenium opening and the ceiling must be more than five feet
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}