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Base curve radius (BCR) or simply base curve (BC) is the measure of an important parameter of a lens in optometry. On a spectacle lens, it is the flatter curvature of the front surface. On a contact lens it is the curvature of the back surface and is sometimes referred to as the back central optic radius (BCOR). Typical values for a contact ...
8.6mm Blackout (8.6×43 mm), also sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.
The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).
The Škoda Yeti (codenamed Typ 5L) [5] is a compact crossover SUV produced by the Czech car manufacturer Škoda Auto and introduced at the 2009 Geneva Motor Show, as the carmaker's first entry into the SUV market. [6]
Outer dimensions for this engine would be identical to the Integra's 1.8 L engine, but internally the engine had a larger 84 mm (3.3 in) bore vs 81 mm (3.2 in) for the Integra, to add the extra displacement needed to produce more torque. The engine used a one-piece cylinder sleeve construction unique from any other B-series engine.
The inner-circle countries provide the base from which English spreads to other countries in the world. [73] Estimates of the numbers of second language and foreign-language English speakers vary greatly from 470 million to more than 1 billion, depending on how proficiency is defined. [9]
The population of Australia is estimated to be 27,636,200 as of 26 January 2025. [11] It is the 54th [12] most populous country in the world and the most populous Oceanian country.
Spring River, Kansas. Nearly 75 mi (121 km) of the state's northeastern boundary is defined by the Missouri River.The Kansas River (locally known as the Kaw), formed by the junction of the Smoky Hill and Republican rivers at appropriately-named Junction City, joins the Missouri River at Kansas City, after a course of 170 mi (270 km) across the northeastern part of the state.