The phrase "are utilized only" is correct and usable in written English.
It can be used to specify that something is exclusively used for a particular purpose or in a specific context.
Example: "These resources are utilized only for educational purposes to ensure that students receive the best possible learning experience."
Alternatives: "are used solely" or "are employed exclusively".
Why does each town need duplicate aerial trucks, which cost more than $500,000, for their fire departments, when they are utilized only once or twice annually?
Consequently, traction-drive hoists are utilized only when a relatively constant weight is lifted at a constant velocity; such hoists are often used for curtains and light bridges.
The proposed discrete-time constrained model predictive control synthesis is constructed in a way that the objective function is only based on the low-order modal representation of the PDEs system, while higher-order modes are utilized only in the constraints of the PDEs state.
They are utilized only as needed depending on whether one or both ends of each bone fragment are deformed (Fig. 2).
Still, the concurrent engineering activities are utilized only in the early phases of a project, i.e., before the implementation by the subcontractors [14].
"It ensures costly juvenile prisons are utilized only as a last resort by requiring juvenile courts to review all available alternatives to incarceration.
Already, there are hundreds of traits "in the labs", but unfortunately we are utilizing only a few of them.
It is shown that the current systems are utilizing only about 40% of the available downlink capacity.
This security device has become rather outmoded today and is utilized only in relatively few situations.
The Administration has said such employment would be utilized only as a last resort to curb un employment.
Entrepreneurs recognized during the 1980s that several genera that have been utilized only from natural stands might be enhanced by the selection, cultivation, and mechanical harvesting that could be afforded them as major plantation crops.
