Humidity coming from bathroom, and lower the quality of linen is one of our concern. For the concern of linen quality may be lowered because of the steam and wet coming from the bathroom, we already have introduce several methods of prevention. When designing the staff lounge with bathroom, we install two doors, one is in the bathroom and another one is in the staff lounge entrance. Also, we have equip some equipments, a vantailation in the bathroom and a air -conditioner.