see strength of materialsstrength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an elastic body upon the adjoining part, and strain is the deformation or change in. ..... Click the link for more information.
The Koreans are believed to have originated from ancient China. This is gathered from the archaeological and linguist evidence.
Definition from Wiktionary, the free dictionary. This is a list of Korean names, in Hangul alphabetical order. Note: (S) denotes South Korea. (N) denotes North Korea. The most common Korean surname (particularly in South Korea) is Kim, followed by Lee (Rhee, Yi) (second most common) and Park (Pak) (third most common). Together, these top three surnames make up slightly more than half of the Korean population (based on South Korea).