The phrase 'one of the primary tasks' is correct and usable in written English.
You can use it in any context or situation when there is a list of tasks or objectives that need to be completed. For example, "One of the primary tasks of the project is to increase efficiency by 20%".
One of the primary tasks for process personnel is to detect and identify the underlying process disturbances such that they can be quickly removed.
The reconstruction of the decay vertices of long-lived particles like B mesons and their separation from the primary interaction is one of the primary tasks at the HERA-B experiment.
We, as Iraqis, are not responsible for that". The training of Iraq's armed forces, which are being built from scratch after American occupation officials ordered the country's military disbanded in May 2003, has been one of the primary tasks undertaken by U.S. forces here.
And talk to your janitor: replacing bulbs is still one of the primary tasks for facilities managers everywhere.
Dissemination of information regarding radiation protection to all European countries (professionals, general population) is one of the primary tasks of the ESR.
One of the primary tasks of market regulators is to foster high level of market integrity necessary to preserve the important management and price discovery the futures market perform.
The approach centers on the integration of two computational behavioral models, one for the primary task and another for the secondary task.
In the task-priority approach, the vector of the desired increment in the secondary task space is projected in the null space of the primary task.
Hence, by employing an attention demanding task, it is possible to use the degree of interference of this task with the primary task (e.g. standing) as a measure of the attention demands (cognitive compensation) of the primary task.
The more processing resources are allocated to the secondary task the worse is the performance of the primary task.
One of the main tasks of mobile robotics is vision.
