Unfortunately the factory became non-operational which resulted in non-usage of this railway line.

Locals tend to refer to "The Rhondda" with the definite article, despite its non-usage on sign posts and maps.

On the other hand, as found in the University of Minnesota study, the non-usage of artificial fertilizers, and resulting exclusive use of manure as fertilizer, by organic farmers can result in significantly greater accumulations of antibiotics in organic foods.