Kāore e taea te wehewehe i te whanaketanga o te ao hou i te whanaketanga o te ahumahi, koinei hoki te tūāpapa o te whanaketanga pāpori.

I roto i te hanga ahumahi, he maha ngā mīhini me ngā taputapu e hiahia ana ki ngā wāhanga rapa silicone tino tika. Ka tukuna e JWT ngā ratonga mō ngā taputapu taumaha, ngā taputapu hiko, te hanga, te kawe waka, me ngā taputapu haumaru hiko, me ētahi atu. Mēnā he whakatakotoranga, he tauira rānei ō ngā wāhanga rapa silicone, ka taea e mātou te whakarite i ngā hua māu.