RWT has various meanings in the Ordnance Survey category. Discover the full forms, definitions, and usage contexts of RWT in Ordnance Survey.
Large metal container for holding water or other liquid usually completely enclosed and rectangular in shape. A container into which any liquid or gas can be held. Also it may even be empty such as a Vacuum tank. Container for chemicals used in the galvanizing process; steel is dipped sequentially in solution-containing tanks.
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