Sentence examples for essential and required from inspiring English sources
Monitoring performance is essential and required to maintain performance and is beyond the owner's capacity to perform.
The deep understanding of operation mechanism of ssPSCs is essential and required to furtherly improve device performance.
Self contained backup bearings are essential and required for magnetic bearing supported rotors in flywheel energy storage systems, auxiliary power units/integrated power units, and gas turbine engines.
Properly designed and meticulously executed clinical trials are essential and required to advance and optimize the potential of non-invasive neuromodulation without risking the well-being of children and families.
Living organisms require varying amounts of "heavy metals" including iron, copper, manganese and zinc, that are essential and required by humans as they play important roles in biological systems, though excessive levels may result in damaging effects to the organism.
In the meantime, about 800,000 federal employees ― about half furloughed, half deemed "essential" and required to work anyway ― face real problems with their household finances.
"I cannot emphasize enough that material and financial support for the full establishment of the East Timorese police and military are essential and require urgent action," the secretary general said.
"I cannot emphasize enough that material and financial support for the full establishment of East Timor's police and military are essential and require urgent action," Mr. Annan said in a recent report to the Security Council.
Hence the evaluation of environmental impacts is essential and requires multiple indicators, appropriate for measuring the state and the interactions of the interrelated social and environmental variables and its relation to ecosystem services.
The manipulation of nano-objects is also essential and requires expertise in several domains (mechanics, electro-chemistry, optics...) [3 5].
The baby is important, but the relationship between the married couple is equally essential and requires time and effort.
