He tangata e hiranga ana i te kahikatoa boba, ka whakaute i a ia i tana kahikatoa boba me te paraerae kiritahi e tiaki ana i ngā tae o te inu. Ki te mea koia, he pai rawa, ēngari ko tēnei paraerae i hanga mai i te kiritahi whakahaereke, noa, ā, i te kiritahi borosilicate matatini nui e tiaki ana i te whakapai. Ko te mata horoi o ēnei paraerae ka whakaae ki te kai noa, ā, kei te wāhi horoi waimārama ka whakatika i ēnei paraerae hei kōrero pai tiaki whenua mō ngā kaiwhakamahi me ngā pakihi. He mea whai hua te paraerae kiritahi hei tiaki i te kai i ngā tae matatini o te kahikatoa boba.