Qhob PolyLock, tseem hu ua E-lock lossis polylock, ua los ntawm HDPE, E-zoo li tus, yog tsim rau anchoring hauv pob zeb ruaj khov. Nws yog casted los yog embedded nyob rau hauv ntub qhob qhob thaum siv, rau qhov raug welding nto, geomembrane yuav welded rau nws yooj yim. Qhov saum npoo du nrog qhov dav 15cm lossis 10cm yog rau vuam cov ntaub ntawv polyethylene thaum lub 3-4cm qhov siab ntiv tes yog siv los ntxig lub web pob zeb kom tau xauv-hauv thiab kho qhov sib koom tes nrog geomembrane kom ua tiav cov dej pov thawj hauv tuam txhab.