His / her job description involves carrying out series of tasks in the clinic that makes it easier and less stressful for other medical staff to do their job. (jobdescriptionandresumeexamples.com)
In the first book of your series, you have a whole series of tasks you must accomplish to set up all the books that follow. (bookpromotionhub.com)
Involves students having to complete series of tasks in order to «earn'the next set of notes. (tes.com)