They perform in fish processing plants, cleaning, sorting, and packaging fish and seafood solutions. http://www.ijhssnet.com/view.php?u=https://theomnibuzz.com/%ec%9c%a0%ed%9d%a5%ec%95%8c%eb%b0%94-%eb%8f%84%ec%a0%84%ed%95%a0-%ec%9a%a9%ea%b8%b0%ea%b0%80-%ed%95%84%ec%9a%94%ed%95%9c-%ec%9d%bc%ec%9e%90%eb%a6%ac%ec%9d%98-%eb%b9%84%eb%b0%80/