1. 机械阻力及稳定性(Mechanical resistance and stability); 2. 防火安全(Safety in case of fire); 3. 卫生,健康与环境(Hygiene, health and the environment); 4. 使用安全(Safety and accessibility in use); 5. 噪音防护(Protection against noise); 6. 节能及保温(Energy economy and heat retention); 7. 自然资源的可持续利用(Sustainable use of natural resources) |