Paʻakikī: kahakai A 67A - kahakai A 90A

ʻO ka mea hoʻopili i hoʻopau ʻia he kūpaʻa ʻoluʻolu maikaʻi a me ke kūpaʻa ʻana, ka elasticity maikaʻi a me ka deformation hoʻoemi liʻiliʻi.

Hoʻohana ʻia no ka hana ʻana i nā moena paʻi, nā ʻōpala a me nā moena paʻa haʻahaʻa haʻahaʻa ʻaʻahu, nā huila a me nā huahana ʻē aʻe.