Answer:
Volunteering for tasks that are not related to your job description.
Explanation:
Management skills refer to the certain abilities which are to be possessed by a person standing in a managerial post. These are the qualities which make a person efficient in excelling in the work assigned to him. The duties assigned by the organization are meant to be performed by using management skills. In the above case, volunteering tasks which are not related to the job is one of the poor management skills.