● Na'urar ɗaukar murfi mai wayo don tabbatar da cewa babu gwangwani, babu lodin murfi, babu rufewa;
● Tsarin adana makamashi, injin ɗaya zai iya aiwatar da duk ayyukan;
● Cikakken tasirin rufewa tabbatar da cewa ya dace da gwangwanin tattara ruwa;
● Injin ya dace da kowane irin gwangwani mai diamita iri ɗaya, tsayinsa kuma ana iya daidaita shi cikin sauƙi;
● Fasaha ta rufe rijiya sau biyu don yin tasirin rufe rijiya, babu ɓuya;
