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The military of the Ming dynasty employed rattan shieldmen (teng pai shou) on the battlefield equipped with a rattan shield, dao, and javelin (biao qiang). [ 2 ] The Rattan shield Teng Pai was a common shield type employed by the armies of the Ming as it is cheap, light, flexible, and durable, greatly outperforming comparable wooden shields and ...
A true grease consists of an oil or other fluid lubricant that is mixed with a thickener, typically a soap, to form a solid or semisolid. [1] Greases are usually shear-thinning or pseudo-plastic fluids, which means that the viscosity of the fluid is reduced under shear stress. After sufficient force to shear the grease has been applied, the ...
A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.
Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .
A composite shield made of several layers of material known as the Duo Qian Fang Pai (Lead-catching defence shield) was specifically designed to stop bullets. According to the Japanese, during the Battle of Jiksan, the Chinese wore armour and used shields that were at least partially bulletproof. [86]
Thread seal tape lubricates, allowing for a deeper seating of the threads, and it helps prevent the threads from seizing when being unscrewed. [1] The tape also works as a deformable filler and thread lubricant, helping to seal the joint without hardening or making it more difficult to tighten, [ 2 ] and instead making it easier to tighten. [ 1 ]
Hanjiang (car manufacturer under Tonghui Machinery Works until 2005; acquired by Gonow) Yangchang Motors (1958–1993, acquired by GAC Group in 2009) Borgward Group (2014–2022, acquired by Foton and discontinued in 2022) Riich (2009–2013, subsidiary of Chery) Rely (2009–2013, subsidiary of Chery)
Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, and racing use. [2] It is known primarily for its line of synthetic Royal Purple Motor Oil products used in gasoline and diesel engines.