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Self-leveling concrete was invented in 1952 by Axel Karlsson from Sweden. The first product was a combination of wood glue, fine sand and cement with additives. [1] It was called flytspackel, which directly translates to "floating putty". The term self-leveling can be traced back to a patent applied by the company Lafarge in 1997. [2]
Nguyễn Chí Tài (August 15, 1958 – December 9, 2020), stage name Chí Tài, was a Vietnamese comedian, musician, and singer. Initially starting as a singer in the 90s, [1] he later became a comedian celebrity when he participated in several comedy acts alongside his well-known stage partner Hoài Linh.
Levelling or leveling (American English; see spelling differences) is a branch of surveying, ...
Tân biên truyền kỳ mạn lục (新編傳奇漫錄) The Truyền kỳ mạn lục (傳奇漫錄, "Casual Records of Transmitted Strange Tales") is a 16th-century Vietnamese historical text, in part a collection of legends, by Nguyễn Dữ (阮嶼) composed in Classical Chinese. [1]
The Đại Việt sử ký toàn thư (chữ Hán: 大越史記全書; Vietnamese: [ɗâːjˀ vìət ʂɨ᷉ kǐ twâːn tʰɨ]; Complete Annals of Đại Việt) is the official national chronicle of the Đại Việt, that was originally compiled by the royal historian Ngô Sĩ Liên under the order of the Emperor Lê Thánh Tông and was finished in 1479 during the Lê period.
In civil engineering, the invert level is the base interior level of a pipe, trench or tunnel; it can be considered the "floor" level. [1] The invert is an important datum for determining the functioning or flowline of a piping system.
The story began during Hayslip's childhood in a small village in central Vietnam, named Ky La. Her village was along the fault line between the north and south of Vietnam, with shifting allegiances in the village leading to constant tension. She and her friends worked as lookout for the northern Vietcong. The South Vietnamese learned of her ...
Vu, Tu Anh T (2006), "Worshipping the Mother Goddess. The Dao Mao movement in Northern Vietnam" (PDF) , Explorations in Southeast Asian Studies , 6 (1): 27– 44 Goossaert, Vincent; Palmer, David A. (2011), The Religious Question in Modern China , University of Chicago Press, ISBN 9780226304168