Ngā hua rapu - "(environmental OR environment) (production" OR introduction")*
Kāore tō rapu - "(environmental OR environment) (production" OR introduction")* - i ōrite ki tētahi rauemi.
Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.
- Mā te whakahaere i te rapu makaro e tīkina atu ai pea ngā kupu he ōrite te takikupu: "(environmental OR environment) (production" OR introduction")~.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "\"(environmental OR environment) (production\" OR introduction\")*".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (environmental OR environment) (production OR introduction )*.