Objectives should make reference to the deliverables of the project. In the example above, the objective refers to the upgrade of the telephone system. If you can't get a sense for the deliverables that are needed to fulfill the objective, the objective may be written at too high a level.
Peppermint oil is applied to the skin for headache, muscle pain, nerve pain, toothache, inflammation of the mouth, joint conditions, itchiness, allergic rash, bacterial and viral infections, relaxing the colon during barium enemas, and for repelling mosquitoes.
That said, if you have gastroesophageal reflux disease (GERD), you should not use peppermint. Peppermint comes in many forms and treatments, including ointments for skin irritation. Some studies even suggest that the scent of peppermint oil could ease nausea.