"Maintenance technicians are responsible for resolving problems with equipment and systems in their respective fields. Experience and technical knowledge of your field are key for impressing employers during an interview, during which you will be presented with hypothetical questions about common issues and inquiries about past problems you have resolved. Various maintenance careers require different levels of education and certification."
Have you ever fired anyone
Only after the employee has been advised verbally of the issue, written and documented of the corrections necessary with appropriate time to correct, and when it is absolutely the only remaining option.