A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
D46 motorway (Dálnice D46), formerly Expressway R46 (Rychlostní silnice R46) is a highway in southern Czech Republic.
R-phrases (short for risk phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations.
The R-46 was an intercontinental ballistic missile (ICBM) design by the Soviet Union during the Cold War.
The R46 is a New York City Subway car model that was built by the Pullman Standard Company from 1975 to 1978 for the IND/BMT B Division.
The R46 is a provincial route in South Africa that connects Malmesbury with Touws River, via Riebeek-Kasteel, Tulbagh and Ceres.