1. Petroleum: Hoʻoponopono i nā paipu no ka lawe ʻana i nā media corrosive i nā paipu lawe ʻaila ʻaila, nā lāʻau lapaʻau kemika, nā paʻi a me nā ʻoihana wai;

2. Ke ahi ahi: Loaʻa iā ia ka hoʻohana ʻana i ka pipeline wai o ka sprinkler-proof a me nā ʻōnaehana sprinkler;

3. Alanui: nā lima pale uwea no ka mana uila, kamaʻilio, a me nā alaloa;

4. Kona lanahu: kūpono no nā pūnaewele pipeline e like me ka hoʻolako ʻana i ka wai ma lalo o ka honua a me ka hoʻoheheʻe ʻana, ka hoʻoheheʻe ʻana ma lalo o ka honua, ka hoʻoulu ʻana i ka maikaʻi a me ka maikaʻi ʻole, ka hoʻoheheʻe kinoea, ka sprinkler ahi, etc.;

5. Ka hoʻomaʻemaʻe wai: ʻO nā paipu hoʻoheheʻe wai, nā paipu wai a me ka ʻenehana anti-corrosion o nā loko olaola;

6. Ka mana: kaʻina hana ʻōpala wai a hoʻihoʻi i ka paipu wai o ka mana wela;

7. Ka mahiʻai: nā pūnaewele no nā paipu hoʻoheheʻe wai, nā paipu wai hohonu, nā paipu hoʻoheheʻe wai, a pēlā aku;

8. 'Enekinia Kaona: pili i ka lako wai hale ki'eki'e, ka ho'omehana pūnaewele ho'omehana, ka 'enekinia wai e holo ana, ka ho'oili kinoea, ka lawe 'ana i ka wai kanu a me nā paipu 'ē a'e.