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.
Sand dune stabilization. Sand dunes are common features of shoreline and desert environments. Dunes provide habitat for highly specialized plants and animals, including rare and endangered species. They can protect beaches from erosion and recruit sand to eroded beaches. Dunes are threatened by human activity, both intentional and unintentional. Countries such as the United States, Australia, Canada, New Zealand, the United Kingdom, and Netherlands, operate significant dune protection programs.