Direct current watt-hour meter
Compensation method for horizontal or vertical displacement of irregular tall building
Concrete hygroscopic curing cover
Display system in model house and method of the same
Underground structure having Precast wall using Hpile
Method for connecting precast wall and slab, and underground structure constructed by the same
Method for constructing underground structure having Precast wall using Hpile, and underground structure constructed by the same
Cooling and heating system using solar heat and controlling method of the same
Ceiling structure of building constructed by the prefabrication method
Cassion manufacturing method of bottom-up, pre-cast and a base plate type using floating dock, system, floating dock and cassion using thereof