Abstract: Disclosed are a system for assessing the procedure compliance level of a human operator in a nuclear power plant, which quantitatively detects if the human operator complies with a standard procedure written in an emergency procedure guideline for the nuclear power plant, and a method thereof. The system includes a first recognizing unit attached to each of human operators, a second recognizing unit that is mounted on each of nuclear power equipments and able to make communication with the first recognizing unit, a database storing information of a standard procedure to be performed by the human operator with respect to the nuclear power equipment, and a server that is able to make communication with the second recognizing unit, and assesses the standard procedure stored in the database and an actual procedure performed by the human operator, which is received from the second recognizing unit.

Abstract: It is an object of the present invention to provide leather made of tuna skins as a novel material that is distinguished from existing leather material. To achieve such an object, the present invention is characterized in that tuna skins which have been utilized only for general byproducts of tuna is used as a material for leather. The tuna skin leather manufactured in this way has moire patterns unique to tunas created through the splitting process, which in turn provide beauty totally different from that of general leather. In addition, the tuna skin leather is superior in tensile strength and venting property comparing with conventional general leather, thereby making it possible to satisfy the desires of consumers who long for new materials, and to contribute the expansion of leather markets.