The present invention is a kitchen, bathroom, laundry room, as a way of building not sseuraegi warehouses to bacteria and tungyi to, particularly, a kitchen, bathroom, laundry room, sseuraegi sheet as of the houses and apartments of bacteria and pests - mosquitoes, flies, tick] doeyeo habitat such iteupnida give to health ; In the present invention, to no more than pedan also a wall, such as a 1, 2, 3, 4 or seuden copper and Hugo band gaps between the outer wall and inner wall to communicate the light of the sun and the cold air to the drying and heat sterilization create a good environment for health ; Seuden copper wall, air duct
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