How Napoleonic shipbuilders could contribute in 1936

If large numbers of Napoleonic-era British shipbuilders appeared in 1936, how could they be used during the Second World War?

Use their woodworking skills in patrol craft and especially Mosquito production, while spending the prewar years teaching modern language, literacy, and industrial methods.

The first impulse is to employ the displaced craftsmen on wooden patrol craft, short-range escorts, or sloops. Their sophisticated woodworking skills could be even more valuable in de Havilland Mosquito production and other aircraft work. Nineteenth-century language, literacy, and unfamiliarity with modern industrial practice would require substantial retraining. Appearing in 1936 gives Britain time to integrate the workforce before war, making human-capital conversion more important than simply assigning them to build wooden ships.