Sentence examples for ones is necessary from inspiring English sources

As John Stuart Mill said, in what is still the greatest defense of freedom of speech ever written, the free contest of ideas, even bad ones, is necessary to discover the truth of things.

Improving skills and gaining new ones is necessary for some older Australians to keep a robust career into older age, according to experts.

For a comprehensive modeling of pedestrian dynamics in real-world scenarios the consideration of tactical level decisions in addition to operational ones is necessary.

Recent studies demonstrated that the capability to remove existing space debris, over preventing the creation of new ones, is necessary to invert the growing trend in the number of debris that lie in orbits around the earth.

Currently, screening of multiple clones to identify the tightly controlled ones is necessary but time-consuming.

Better knowledge of the possible sites and pathways of fistulas (even rare ones) is necessary.

Like Newman, Tony Abbott has been selling voters the message that "tough" decisions – even unpopular ones – are necessary in the national interest.

After the Fukushima accident of March 2011, the commission ordered that vents be added to Mark II reactors as well but told its staff to quickly study whether filtered ones were necessary.

And (iv), would such a virus be sensitive to currently available antiviral drugs and vaccines, or would new ones be necessary?

However, there's a hot debate among these startups over just how many of these hormone tests, and which ones, are necessary.

Nevertheless, despite the recognition of this plethora of virulence factors, we are still far from identifying exactly which ones are necessary for infection and which ones may be targeted by new therapies [6].