Librarians typically do the following: 1  Help library patrons conduct research and find the information they need. 2  Teach classes about information resources. 3  Help patrons evaluate search results and reference materials.  Organize library materials so they are easy to find, and maintain collections.
Confidence votes 3.7K. The minimum age to work at a McDonalds is 14 years of age. It may vary from state to state, but no state can permit someone under 14 years of age to work at McDonalds under normal circumstances.
How old do you have to be to work at Dairy Queen? You must be at least 16 years old, however some jobs require you to be at least 18 years old due to operation of heavy machinery.