Ngā hua rapu - (((( soil construction ) OR ( soil conservation ))) OR ( soil consultation ))~
Kāore tō rapu - (((( soil construction ) OR ( soil conservation ))) OR ( soil consultation ))~ - i ōrite ki tētahi rauemi.
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 ))) OR ( soil consultation ))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (((( soil construction ) OR ( soil conservation ))) OR ( soil consultation ))*.