Explicit knowledge is knowledge that can be completely expressed by human beings in a certain symbol system (such as language, mathematical formula, various charts, Braille, sign language, flag language and other symbol forms). Tacit knowledge, as opposed to tacit knowledge, usually refers to the knowledge that people know but difficult to describe, which is obtained by personal experience. Body based tacit knowledge refers to the tacit knowledge generated and applied by the subject in the process of cognition, It is mostly rooted in the use of human body functions or tools,
According to the above definition, which of the following behaviors uses body based tacit knowledge?
Some researchers use the buoyancy principle to build submarines and design streamline shapes that can reduce resistance