This professional must be dependable, highly familiar with using basic office equipment, and able to focus on single tasks for long periods. (careerbuilder.com)
In larger establishments, they may focus on single tasks such as processing patient records or helping with tests. (work.chron.com)
It is, in my judgment, the biggest single task our societies face today: a problem which is at one and the same time moral, economic, and political. (firstthings.com)