ʻO nā paipu wiliwili kila kila ka nui o ka usde ma ka ʻāina kūlanakauhale a me ka ʻenehana hoʻonaninani; ma nā kahua o ka ʻoihana māmā, ka lāʻau lapaʻau, ka hana pepa, ka hoʻomaʻemaʻe wai, ka lako wai, nā mīkini, a me nā mea ʻē aʻe, aia kekahi hapa nui; i ka chemical, fertilizer, petrochemical a me nā ʻoihana ʻē aʻe, ʻo Φ159mm ka kikoʻī maʻamau. ʻO nā paipu lawe haʻahaʻa ma luna aʻe; ke hoʻohana pū nei ka puʻupuʻu kaʻa i nā paipu wiliwili kila kila.

Hoʻohana nui ʻia nā paipu ʻeleʻele ʻeleʻele i "kemika ʻekolu" (kemika, fertilizer, chemical fiber), petroleum, uila mana boilers, machinery, aerospace, nuclear industry, national defense industry and other fields.