Techniques include cleaning; mending and filling damaged pages; restitching and rebinding. The DHCP ensures reliability in several ways&colon; periodic renewal, rebinding, and failover. Oversewing was frequently used as a rebinding technique for libraries. Book rebinding is the renewal or replacement of the cover of a book. This is sometimes referred to as "rebinding" the variable. Was rebinding the Megalith the right thing to do? If rebinding fails, the lease will eventually expire. Rebinding should not be confused with mutation. The book was also rebound in 1895, but that rebinding broke down quickly. The chancellor's register dated from 1315, and the contents had been confusingly rearranged by rebinding. Rebinding only requires requesting additional data, which is smaller than fully expanded markup.