Design initiatives, including material selections, contribute to passive solar design principles of shading and thermal mass for cooling and heating the building.

设计的实现举措包括材料的选择，有助于冷却和加热的建筑物的阴影和热质量的被动太阳能设计原则。

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The design allows for passive solar heating in the winter, has a metal roof for rainwater collection and uses an incinerating toilet to minimize water usage and avoid the need for sewage disposal, said Carrie Caverly, an architectural designer.

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