Umtshina wokuvuza kwentlantsi yombane yenye yeemveliso zovavanyo ezixhasayo zoluhlu lweLesite loomatshini bokuwelda be-geomembrane, olubona ukuvuza ngokukhupha amaza ombane akwi-frequency ephezulu.
Kwindawo yolwakhiwo, umgangatho we-weld wamaphepha eplastiki kunye ne-geomembrane ichongiwe ngokuchongwa kokuvuza okusisigxina.