Which I'm sure is related to Margaret. All these variations basically mean pearl in Greek. 'Peggy' was a vernacular term for a naval dockyard mess attendant and messenger who waited on the workers. I can't speak for the Royal Navy but for some reason it became translated to merchant ships.
SCCâs Cement Stabilized Sand is a clean and durable material made from a mixture of sand, cement and water that is used for backfill and bedding on a wide variety of civil projects. CSS is predominately used as backfill for retaining walls and storm sewer drainage.
Sanded grout is generally used for larger joints. Sanded grout types consist of a cement-based mortar that have small sand grains added to it to help it when setting. Adding the sand to the grout, provide a stronger grout that is normally used in joints larger than 1/8th inch.