1. **Hana ʻoihana**:
- I loko o ke kinikini, metala, nā mea kūkulu hale a me nā ʻoihana ʻē aʻe, hoʻohana ʻia nā ʻeke kānana e wehe i ka lepo i hana ʻia i ka wā o ka hana ʻana.
2. **Hoʻopau i ka lepo o ka paila**:
- I loko o ka lanahu-boilers, biomass boilers a me nā mea hana ʻē aʻe, hoʻohana ʻia nā ʻeke kānana no ka wehe ʻana i nā mea ʻala i loko o ke kinoea puhi.
3. **Hana kaʻa**:
- I loko o ka hale hana hoʻopuehu, hoʻohana ʻia nā ʻeke kānana no ka wehe ʻana i ka lepo i hana ʻia ma ke kaʻina hana pena.
4. **Hoʻoponopono meaʻai**:
- I ka hana ʻana i nā meaʻai e like me ka palaoa a me ka pauda kō, hoʻohana ʻia nā ʻeke kānana e wehe i ka lepo i hana ʻia.
5. **Hana uila**:
- Ma ka laina hana o nā huahana uila, hoʻohana ʻia nā ʻeke kānana no ka wehe ʻana i nā ʻāpana liʻiliʻi e like me ka pauka paʻa.
6. **Hana lāʻau lapaʻau**:
- Ma ke kaʻina hana o nā lāʻau lapaʻau, hoʻohana ʻia nā ʻeke kānana e wehe i nā pauka lāʻau a me nā mea ʻino ʻē aʻe.