I ka wā e pili ana i nā kī kī kī, ʻo ka hōʻoia ʻana i ka hana maikaʻi loa a me ka lōʻihi he mea koʻikoʻi.Hoʻohana nui ʻia nā kī kī Rubber i nā mea like ʻole, e like me nā mana mamao, calculators, a me nā mea uila.Eia nō naʻe, i ka wā lōʻihi, hiki i kēia mau kī kī ke ʻike i ka lole a me ka waimaka, e alakaʻi ana i ka emi ʻana o ka hana.