Pterygoid processes of the sphenoid (current) End (topology) The Open Window (Matisse) 13th World Science Fiction Convention International Meeting of Communist and Workers' Parties Space Shuttle orbiter Trading while insolvent 2017 Premier Volleyball League Reinforced Conference Principle of plenitude Politics of Victoria (state) Minister for Defence (Australia) Truncated order-6 octagonal tiling All-Russian Scientific Research Institute of Electromechanics Lumos Networks AC Codogno 1908 Placer mining