Translation of "usefulness" into Swahili

He loves us, and all that He does is for our eternal benefit.

Anatupenda, na vyote ambavyo hufanya ni kwa manufaa yetu ya milele.

All of us should keep our exposure to potentially toxic chemicals to a minimum.

Sisi sote twapaswa kupunguza utumizi wa kemikali ziwezazo kudhuru.

While many assert that they have improved by using some of the above, others have not.

Ingawa wengi hudai kwamba wamepata nafuu kwa kutumia baadhi ya tiba hizo zilizotajwa, wengine hawakufanikiwa.