The phrase "are mostly required" is correct and usable in written English.
It can be used when discussing the general necessity or demand for something, indicating that it is often needed but not always.
Example: "In this industry, certain skills are mostly required to ensure successful project completion."
Alternatives: "are generally needed" or "are often necessary".
Due to this, valuable information from the system such as the efficiency, performance and energy produced are mostly required by the user.
7-Eleven today said it plans to roll out financial-services kiosks over the next three years at its 5,300 stores in the U.S. The kiosks will allow people to purchase money orders, receive money transfers or cash checks–services that are mostly required by people who do not have bank accounts.
While residents are expected to synthesize clinical data and problem-solve around patient care issues, interns are mostly required to be compulsive about executing the management plans on their patients.
Additionally, the monitoring of the presentation to the health care system of these conditions during heatwaves can provide timely surveillance information to improve decision-making, and target resources to where they are mostly required [ 23].
However, bats are mostly required under BBCOR and BPF standards to have the same trampoline effect even across different companies.
And music provided consolation and distraction from the tragedies of the family, about which they were mostly required to remain silent.
Under such conditions and considering the practical dimensions of industrial ED stacks, a series of stacks is mostly required in order to obtain a specified level of desalination in the diluate.
For these LTE-advanced systems, CoMP is mostly required to reduce inter-cell interference.
The funding is mostly required for reagents and consumables as the laboratory is well equipped.
This was mostly required on cold days with outside temperature below zero and mainly for L-1 and Cross Match scanners.
It is mostly required where there is high product display density, low staffing level and chances of mishandling is very high.
