ʻO ke kaulahao uwea haʻahaʻa ma ka mākeke i hana ʻia mai ka nylon rubber, no ka mea he haʻahaʻa ke kumukūʻai o ka mea maka, ʻoi aku ka haʻahaʻa o ke kumukūʻai o ka huahana i hoʻopau ʻia. Eia nō naʻe, ʻaʻole maikaʻi loa ke kūpaʻa ʻana o ke kapa komo a me ke kūpaʻa wela o ke kaulahao uwea plastik i hana ʻia mai kēia mea maka, a he pōkole ke ola lawelawe. ʻAʻole hiki i ke kaulahao i hana ʻia mai ka nylon haʻahaʻa ke pale pono i ka pipeline uwea, a ʻaʻole kūpono ka loaʻa i ka pohō. I ke koho ʻana i nā kaulahao uwea plastik ʻenekinia, pinepine ka huikau o nā mea kūʻai aku: Pehea e ʻike ai i kā lākou koho kaulahao he maikaʻi a maikaʻi ʻole paha? Hiki ke ʻike ʻia e nā ʻano aʻe.