UVW definitions

Uvw

1) Lead-in to XYZ 2) They lead to X
Found on https://www.crosswordclues.com/clue/uvw

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UVW

(Unloaded Vehicle Weight) Weight of the vehicle without manufacturer's or dealer-installed options and before adding fuel, water or supplies.
Found on https://www.encyclo.co.uk/local/23310

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