Ngā hua rapu - ((soil construction) OR (soil conservation))~
Kāore tō rapu - ((soil construction) OR (soil conservation))~ - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- conservation »
Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "((soil construction) OR (soil conservation))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: ((soil construction) OR (soil conservation))*.