Nā hiʻohiʻona
·Loaʻa i kēia huahana nā hiʻohiʻona o ka pale wela ākea, ke kūpaʻa wela maikaʻi, ka insulation uila maikaʻi a me ka pale ahi maikaʻi loa, a me nā mea ʻē aʻe.
· He viscosity haʻahaʻa ka huahana i loko o ka moku i hoʻoheheʻe ʻia, no laila hiki iā ia ke hōʻoia i ka pau ʻana o ka injection ma lalo o ke kaomi haʻahaʻa, a no ka pale ʻana i nā ʻāpana kikoʻī / koʻikoʻi mai ka pōʻino.
· ʻAʻohe mea hoʻoheheʻe, ʻaʻohe mea ʻawaʻawa, ʻaʻohe haumia kaiapuni.