8. Where this is not appropriate, transfer of the firms to other regions. there remains the remedy of physical I think that in civilian industries this should be treated as a last resort. Although in a few industries the physical difficulties may not be insuperable and attractive inducements may be offered, in most cases the difficulties of transport, expense and compensation will be great, and the resistance of local interests will be bitter. Moreover, to interrupt output, even for a short time, would often mean grave shortage of essential civilian supplies.