ʻO kekahi o nā ʻano nui o nā puka kaʻa aniani ʻo ia ka puka puka ʻāpana alumini. He kūpono loa kēia ʻano puka no nā noi ʻoihana e like me nā keʻena lawelawe, nā holoi kaʻa, a me nā mea kūʻai aku kaʻa, kahi mea nui i ka ʻike ʻana i ka hoʻokipa ʻana i nā mea kūʻai aku. Eia kekahi, ʻo kēia mau puka ke kūpaʻa i ka wā, e hōʻoia ana e hiki iā lākou ke kū i nā kūlana paʻakikī o waho i ka mālama ʻana i ka palekana a me ka palekana.