e/Hydrodynamic separator

Information
has gloss	eng: Hydrodynamic separators (HDS) are stormwater management devices used to control water pollution. They are designed as flow-through structures with a settling or separation unit to remove sediment and other pollutants. HDS are considered structural best management practices (BMPs), and are used to treat and pre-treat stormwater runoff.
lexicalization	eng: hydrodynamic separator
instance of	c/Pollution control technologies