It is used to avoid lock-ups during the intros or varios places in the game, or when you only want to activate codes at a certain time and not constantly have the effect of the code on. It's main purpose is to activate codes with the push of a button.
It is usually necessary to apply for DPT programs through the Physical Therapist Centralized Application Service (PTCAS). Students in DPT programs must complete a clinical internship in an area such as acute or orthopedic care with supervised experience.
Yet unless the internship meets specific requirements, interns by law must be paid at least the minimum wage. People who work in unpaid private-sector internships that should have been paid can file a federal or state wage claim and could receive back wages, even if they agreed to work for free.