Ngā hua rapu - engineering ((laboratory bureaus) OR (laboratories bureaus)).~
Kāore tō rapu - engineering ((laboratory bureaus) OR (laboratories bureaus)).~ - 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: "engineering ((laboratory bureaus) OR (laboratories bureaus)).~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: engineering ((laboratory bureaus) OR (laboratories bureaus)).*.