Kaʻina kahe: pae pae, kūlana, a me ka waiho ana, eli ka honua, loko o lalo olokaʻi, layered backfilling o ka dam lepo, layered olokaʻi o dam lepo, dam shaping, eli heleuma auwaha, kau i na pipelines like ole, waiho iho pale Infiltration, ninini con.. .
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