Those who had skills of carpentry and production of fittings were let to train them, and those who had no special skills were instructed to do simple labor (manual sideline work) and civil engeneering work.
大工、建具製作等の特技をもつ者にはそれらを訓練させ、特技のない者には単純軽作業（手内職）や土木作業を指導した。