What are some tips for men to follow when using communal changing rooms and showers at pubic gyms? How can they ensure they are respectful of other's privacy in the open space where everybody can see?

男性在公共健身房的公共更衣室和淋浴间有什么礼仪贴士？在这种人人可见的开放空间里，怎样才能尊重他人隐私？