Chowunikira chamagetsi cha spark leak ndi chimodzi mwazinthu zothandizira kuyesa makina a Lesite a makina owotcherera a geomembrane, omwe amazindikira kutayikira potulutsa mafunde amagetsi othamanga kwambiri.
Pamalo omanga, mtundu wa weld wa mapepala apulasitiki ndi geomembrane udazindikirika pozindikira kutayikira kokhazikika.