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.
Play Video (12,1mb WMV). S AND LOCKÂ® is a joint sand stabilizer additive for flexible and semi-rigid pavement systems using segmental pavers. When activated with water, S AND LOCKÂ® forms a natural, rubberized 'glue', that binds the joint sand. S AND LOCKÂ® remains flexible and will accommodate thermal movement.