The development process and application situation of the self flow castable for permanent lining of tundish are introduced.

Wet shotcrete, including wet steel fiber shotcrete and wet plain shotcrete, has been adopted for the temporary and permanent lining of Qinling Railway Tunnel and good results have been obtained.

Meningitis is a serious inflammation of the lining that surrounds the spinal cord and brain. It can result in death or permanent injury to the brain and nervous system.