What’s the difference between ERV and HRV? The ventilation system provides a comfortable living space by supplying clean fresh air from the outside while exhausting waste […]
With the continuous development of hospitals around the world, the architecture and design community is developing buildings against new coronavirus. To build 60 emergency quarantine facilities […]
Breathing with fresh air is a key condition for the harmonious development of children. All doctors advise walking with children on the street every day and […]