the ROF Factory ROF Facts November 17, 2016 User deactivated 1 Comment Royal Ordnance Factory (ROF Factory) Entrance gates https://en.wikipedia.org/wiki/ROF_Bishopton Built 1937 Location Bishopton, Scotland Industry Defence Products Munitions Employees 20,000+ (approx) Area 2350 acres (890 acres within perimeter fence) Defunct 2002 Here are some facts on the ROF from Wikipedia
you said on the extra fact it was closed in April 1941 but now you said it closed in 2002