The phrase "at different purposes" is not correct in English.
You might be trying to express the idea of using something for various reasons or objectives.
Example: "The tools can be utilized at different purposes, depending on the project requirements."
Alternatives: "for various purposes" or "for different objectives."
Although cellular and viral Bcl-2 proteins adopt an identical fold, a number of differences hint at the different purposes for which these molecules evolved.
The city's Economic Development Corporation, which manages the I.D.A., said that the disparate assessments "looked at land for different purposes and so had different assumptions".
In our minds, the term bikeability should preferably relate, in a wider perspective, to how these factors and aspects can interact with the perception and behaviour of bicycling for at least three different purposes: (1) transport; (2) recreation; and (3) exercise, as well as competition.
They found that guidelines seemed to be used differently and serve different purposes by physicians at different level of expertise, a result that should have implications for the design of guidelines.
But soon, I started to make myself different types of prostheses at different heights, for different purposes.
It is known since 1963 and is still being developed at laboratory stage for different purposes and not fully implemented in industry.
Four types of Martian soil simulants (JSC Mars-1, MMS, Salten Skov I, and ES-X) have been developed in the USA and at the European Space Agency for different purposes, such as spectrometer calibration, testing of lander/rover instruments, and evaluating the physical effect of Martian soil on mechanical components.
According to many experts, the Tribal Hidage was a tribute list created upon the instructions of an Anglo-Saxon king such as Offa of Mercia, Wulfhere of Mercia or Edwin of Northumbria — but it may have been used for different purposes at various times during its history.
Multiple bio-specimens were collected for different purposes at each time point and are described in Table 3.
First of all, like in our case, the incidental visualization of the fragment at imaging obtained for different purposes might mislead the evaluation of conditions regarding the same anatomical district.
