Tobacco is hung in large barns where fires of hardwoods are kept on continuous or intermittent low smoulder and takes between three days and ten weeks, depending on the process and the tobacco.

• 8个分布有序的‘扫描器’组合成了教室光环境的‘均衡器’，不仅使教室的光线柔和均匀，而且还节能，消除眩光等。现实生活中，究竟有多少因职业枯竭症而导致'折寿'的人不得而知。