If you would go up high , then use your own legs ! Do not let yourselves carried aloft; do not seat yourselves on other people“s backs and heads . (F. W . Nietzsche , German Philosopher)
研究表明，甲醛对人体健康有直接严重的影响，室内空气中每立方米含量为0.1毫克时，会产生异味和不适感；每立方米0.5毫克可刺激眼睛引起流泪；每立方米0.6毫克时引起咽喉不适或疼痛；浓度更高，则可引起恶心、呕吐、咳嗽、胸闷、气喘甚至肺气肿等；当空气中达到每立方米30毫克时可当即导致死亡。
家居摆设