ʻO ka pā kila kila he ʻano huahana kila i hana ʻia me ke kila pālahalaha e like me kahi mamao a me ka pahu keʻa, a hoʻopaʻa ʻia i loko o kahi pahu huinaha ma waena.Hoʻohana nui ʻia ka pā kuʻi kila no ka hana ʻana i ka pā uhi ʻauwai, ka pā papa hana kila, ka pā ʻanuʻu kila, a me nā mea ʻē aʻe.
Hana ʻia ka pā kila kila me ke kila kalapona, ke ʻano o ka wela wela, hiki ke hana i kahi hana i ka pale ʻana i ka oxidation.Hiki ke hana ʻia me ke kila kila.ʻO ka pā kila kila me ka ventila, ke kukui, ka wela wela, anti-skid, explosion-proof a me nā waiwai ʻē aʻe.