Bed insert has solid wood plates and solid horse chestnut frame and slats with wood polarity arranged to neutralise own and ground radiation

摘要

A bed insert has solid wood plates (7-9) and a solid horse chestnut wood frame (1-4) or slats (10-12) with the wood polarity arranged to neutralise the bed insert or ground and grooved joints using natural casein glues. Air holes are provided for ventilation.