Safety curtain
A safety curtain (or fire curtain in America) is a passive fire protection feature used in large proscenium theatres. It is usually a heavy fabric curtain located immediately behind the proscenium arch.
A safety curtain (or fire curtain in America) is a passive fire protection feature used in large proscenium theatres. It is usually a heavy fabric curtain located immediately behind the proscenium arch.
A safety curtain (or fire curtain in America) is a passive fire protection feature used in large proscenium theatres. It is usually a heavy fabric curtain located immediately behind the proscenium arch.
Source: Wikipedia "Safety curtain" · CC BY-SA 4.0
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