STRUCTURAL ANALYSIS OF TRADITIONAL CHINESE COMPLEX PUZZLE LOCKS

Structural analysis of traditional Chinese complex puzzle locks

Abstract The development of barbed-spring locks in ancient China has a history of more than 2000 years.With the development of the design and manufacturing techniques in ancient China, the safety of locks has gotten better and better.Since the CHOCO PEANUT BUTTER BAR seventeenth century, the puzzle lock, with a complicated structure and a high diff

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Characteristics of the leading factors of special physical preparedness of athletes from acrobatic rock and roll at the stage of preliminary basic training

Purpose: analysis of the leading factors of special physical fitness of athletes from acrobatic rock and roll at the stage of preliminary basic training.Material & Methods: 10 sports couples took part in the study (10 male partners, 10 female partners).The research methods are: theoretical analysis and synthesis of data from special scientific and

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