Ngā hua rapu - (( ((water construction) OR (water conservation)) ) OR ( expert consultation ))~

Kāore tō rapu - (( ((water construction) OR (water conservation)) ) OR ( expert 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: "(( ((water construction) OR (water conservation)) ) OR ( expert consultation ))~".
Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (( ((water construction) OR (water conservation)) ) OR ( expert consultation ))*.