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.
Swimming pool stabilizer is a pool chemical designed to help regulate chlorine levels, reducing wastage of chlorine and keeping the amount of chlorine in the pool steady to ensure it acts effectively to inhibit the growth of unwanted organisms.