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| English | Hungarian |
| landfill base sealing Sealing of a landfill with a relatively impermeable barrier designed to keep leachate inside. Liner materials include plastic and dense clay | hulladéklerakó aljának szigetelése |
| soil surface sealing Any activity or process in which ground surface areas are packed or plugged to prevent percolation or the passage of fluids | talajfelszín lezárás |