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