He ʻano mea maʻalahi ke ʻōwili ʻia ka hulu hipa, he palupalu a pili nā olonā i kekahi i kekahi, i hana ʻia i pōpō, hiki ke hana i ka hopena insulation. He keʻokeʻo ka hulu hipa.
ʻOiai hiki ke hoʻoluʻu ʻia, aia kekahi mau ʻano hulu hipa i ʻeleʻele maoli, ʻeleʻele, a pēlā aku. Hiki i ka hulu hipa ke omo i ka hapakolu o kona kaumaha i ka wai ma ke ʻano hydroscopic.
Nā kikoʻī huahana:
- Kaumaha 320GM
- Ka laulā 57/58”
- ʻO Spe 100S/2*100S/2+40D
- Nā ʻenehana ulana
- Helu Mea W18503
- Hoʻohuihui W50 P47 L3