Also known as: NO., NO-
NO has various meanings in the Architectural category. Discover the full forms, definitions, and usage contexts of NO in Architectural.
Flag hoist that indicates a vessel's name
ArchitecturalThe position of a valve, damper, relay contacts, or switch when external power or pressure is not being applied to the device. Valves and dampers usually are returned to a "normal" position by a spring.
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