A productive cough brings up sputum from the respiratory tract; this process helps speed recovery from inflammation of the airways and lungs. A nonproductive cough is dry and scratchy, raises no sputum, and is typically a response to allergies or medication.
The adjective temporary is used to describe something that isn't permanent or lasts only a short time. Its roots are in the Latin word tempus, meaning time or season.. An employee who isn't a permanent addition to the staff is temporary and in this use, the word is often shortened to temp.
A temporary work agency, temp agency or temporary staffing firm finds and retains workers. Other companies, in need of short-term workers, contract with the temporary work agency to send temporary workers, or temps, on assignments to work at the other companies. Temporary employees are also used in work that has a cyclical nature, requiring frequent adjustments to staffing levels.