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  2. Photovoltaic system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system

    A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics.It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and ...

  3. Astros II - Wikipedia

    en.wikipedia.org/wiki/Astros_II

    Astros II (Artillery SaTuration ROcket System) is a self-propelled multiple rocket launcher produced in Brazil by the Avibras company. It features modular design and employs rockets with calibers ranging from 127 to 450 mm (5–17.72 inches).

  4. McDonnell XF-85 Goblin - Wikipedia

    en.wikipedia.org/wiki/McDonnell_XF-85_Goblin

    The XF-85's intended role was to defend bombers from hostile interceptor aircraft, a need demonstrated during World War II. McDonnell built two prototypes before the Air Force (USAF) terminated the program. The XF-85 was a response to a USAAF requirement for a fighter to be carried within the Northrop XB-35 and B-36, then under development ...