Ngā hua rapu - (("soil conservation") OR ("soil construction"))~

Kāore tō rapu - (("soil conservation") OR ("soil construction"))~ - 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 conservation\") OR (\"soil construction\"))~".
Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( soil conservation ) OR ( soil construction ))~.
Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (("soil conservation") OR ("soil construction"))*.