6.For different kinds of underground space, such as ordinary basement, metro, forepast civil air defence, old tunnel, antiquated mine, underground common ditch, the design method for their reinforcement and reconstruction and the foundation of inner function dividing are discussed.
7.Heating ventilation and dusting .Air condition and smoke exhauting engineerings for industry and civil buildings Design for underground air defence engineerings Heat supply plan and design for a city or a region.
8.Fortunately the Western media and civil society will come to our defence when we are attacked, as, for example, in the raid on the offices and TV station of a Kenyan media house last year.
