ʻO ka spiral corrugated pipe product he spiral physical structure, ʻoi aku ka maikaʻi o ka hana mechanical pipe, ka ikaika compressive, ka paipu i kanu ʻia ma lalo o ka deformation, ke kaula ʻaʻahu i loko a puni ka maikaʻi o ka hoʻoluʻu a pale pono i ka palekana o ke kaula.