| Subject | English | Welsh |
| comp., MS | Sandboxed Code Service | Gwasanaeth Cod Blwch Tywod (The name of a service in Microsoft Sharepoint Foundation that needs to be started to allow for a sandboxed solution to be deployed) |
| comp., MS | sandboxed solution | ateb o'r blwch tywod (A custom solution that can be deployed to a site by a site collection administrator, without approval from the farm administrator. Without that approval, the solution has full access to the immediate site and restricted access to system resources and other sites) |