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Light-proof

Glossary of Hardware Abbreviations ...bottom rod (of a vertical rod type exit device) L/C Less cylinder L.E.D. Light emitting diode LH Left hand LHRB Left hand reverse bevel LL Lead lining (of a door) Lox. Locks LP Light-proof (door) LS Lead shield LT Lamp test Top M Meter M.A. Milliamps Maint. Maintained MC Metal clad M x M Metal by metal; denotes metal door in metal frame Max. See #1. Consolidated Door 2-WAY STANDARD - 200ST The 2-Way Standard model 200ST is actually a light-proof doorway for two rooms. A full 40" in diameter, it provides a constant and safe accesss to darkrooms. info@consolidateddoorintl.com 4801 South Whipple Avenue Chicago, IL 60632 773.376.5600 (in Chicago) 800.621.3680 (United States) 800.524. See #2. Party rental halls The roof and side covers of the structure can also be produced from blackout (light-proof) material of any color. We also offer a rigid wall solution for hangars. See #3. 1: http://www.hagerhinge.com [c999270] 2: http://www.consolidateddoorintl.com [c1139297] 3: http://www.vingida.com [c1009104]