Uea pahi pahiua kapa ʻia ʻo concertina coils a i ʻole wili ʻano ʻano pahi.Me nā lau nani a ʻoi aku ka ikaika a me ka uea kumu ikaika, ʻo ka wili pahi i nā hiʻohiʻona o nā hopena deterrent maikaʻi, ʻano maikaʻi, hoʻonohonoho maʻalahi, hoʻokele waiwai a me nā waiwai ʻē aʻe.

   Uea pahi pahihoʻohana nui ʻia i loko o ka hale hale, nā hui hui, nā hale paʻahao, ka pā palena, nā kahua kaua a me nā wahi ʻē aʻe e koi ana i ka pa a me ka palekana.