Ngā hua rapu - ((\ strength of materal\ ) OR (\ strength of (materialow\ OR materials\ )))~

Kāore tō rapu - ((\ strength of materal\ ) OR (\ strength of (materialow\ OR materials\ )))~ - 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: "((\ strength of materal\ ) OR (\ strength of (materialow\ OR materials\ )))~".
Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: ((\ strength of materal\ ) OR (\ strength of (materialow\ OR materials\ )))*.