 High unemployment in the Dominions led to a sharp decline in demand for freshly trained British workers, and the collapse of mining and heavy manufacturing at home had produced new pressures.Weeting Hall was redesignated as an Instructional Centre, taking in young long-term unemployed men from the depressed areas and giving them a three-month exposure to heavy manual work.The Ministry sometimes described this as a "reconditioning" process, which hardened up young men who had gone "soft" through prolonged unemployment.