Ngā hua rapu - (materal OR materials) health (devices. OR series. )~
Kāore tō rapu - (materal OR materials) health (devices. OR series. )~ - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- materials »
- devices. »
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: "(materal OR materials) health (devices. OR series. )~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (materal OR materials) health (devices. OR series. )*.