ʻO ke kālā ka mea kiʻekiʻe loa o ka uila a me ka thermal conductivity o nā metala a pau, a hoʻohana pinepine ʻia e hana i nā mea mea kani kino koʻikoʻi, nā mea hana automation, rockets, submarines, computers, nuclear device, a me nā ʻōnaehana kamaʻilio.kālāa ua hoʻohana pinepine ʻia nā ʻāpana kālā i nā mea wili.

ʻO ka hui kālā koʻikoʻi ka nitrate kālā. I ka lāʻau lapaʻau, hoʻohana pinepine ʻia kahi hopena wai o ka nitrate kālā e like me nā maka maka, no ka mea hiki i nā ion kālā ke pepehi ikaika i ka bacteria.

ʻO ke kālā he metala keʻokeʻo keʻokeʻo maikaʻi a hiki ke hoʻohana nui ʻia i nā mea nani, nā mea hoʻonani, nā mea kālā, nā mekala a me nā kālā hoʻomanaʻo.

Waiwai Kino Kālā Maʻemaʻe:

Nā hiʻohiʻona:

(1) He kiʻekiʻe loa ke kalaiwa maʻemaʻe

(2) Haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa

(3) Maʻalahi e kūʻai

(4) He mea maʻalahi ka hana ʻana, no laila ʻo ke kālā kahi mea pili pono

(5) ʻO ia kekahi o nā mea i hoʻohana nui ʻia ma ka liʻiliʻi liʻiliʻi a me ka volta