The phrase "are essential elements in" is correct and usable in written English.
It can be used to indicate that certain components are crucial or necessary within a particular context or framework.
Example: "The principles of honesty and integrity are essential elements in building trust within a team."
Alternatives: "are key components in" or "are vital parts of".
Cams are essential elements in automatic machine tools, textile machinery, sewing machines, printing machines, and many others.
"And you can't do that in the abstract," he said, which is why programming and projects are essential elements in his course.
The Fierlingers retain the detailed descriptions of Tulip's bowel movements and sex life that troubled many readers 50 years ago, but which are essential elements in achieving realism and avoiding sentimental anthropomorphism.
Though some soil organisms can become pests especially when a single crop is grown repeatedly in the same field, encouraging the proliferation of organisms that prey on their roots by and large they are essential elements in the process of life, death, and decay, which rejuvenates the environment.
Bearings are essential elements in the design of rotating machines.
Dolby Laboratories (NYSE: DLB) is the global leader in technologies that are essential elements in the best entertainment experiences.
Both the rising demand for their labour and their emerging status as permanent employees were essential elements in this early development of labour organization.
Your prompt reporting of this serious incident to your superiors and subsequent testimony in court were essential elements in the apprehension and trials of the men responsible for this brutal crime.
Mr. Knepper's distinctively gruff sound and loose-limbed phrasing were essential elements in some of the most celebrated albums by Mingus, the great bassist and composer, including "The Clown," "Tijuana Moods" and "Mingus Ah Um".
