[Nānā o ka hoʻomohala ʻana a me nā hiʻohiʻona o ka mea haʻihaʻi kaapuni ʻāhaʻi]: ʻo ka mea haʻihaʻi kaʻapuni ʻūhā e pili ana i ka mea haʻihaʻi kaapuni i pani ʻia a wehe ʻia i loko o ka ʻūhā.Ua aʻo mua ʻia nā mea haʻihaʻi kaʻapuni vacuum e United Kingdom a me ʻAmelika Hui Pū ʻIa, a laila hoʻomohala ʻia i Iapana...
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