JEL-300 jerin watsawar matakin submersible matakin watsawa ne mai matuƙar tsayayye, abin dogaro, kuma cikakkiyar madaidaicin matakin watsawa.JEL-300 jerin matakin watsawa ya zo a cikin ƙaramin girman girma kuma mara nauyi ne kuma barga.Ana iya amfani da shi don auna matakan ruwa don aikace-aikace da yawa a cikin ƙarfe, ma'adinai, sinadarai, samar da ruwa, da sarrafa sharar gida.