Licensing and/or Certification. No licensure or certification is necessary to become a physical therapy aide. Necessary Skills and Qualities. PT aides assist clients during their physical therapy exercises and treatments under the supervision of a physical therapist or physical therapy assistant. That means that a physical therapy aide should be physically fit, with the ability to kneel, bend and lift.
1 Top notes: This is what you smell immediately upon applying your perfume. It's the scent that first hits your nose, but then evaporates quickly.  Middle notes: The middle notes emerge as the top notes are dissipating and make up the majority of the scent.
Why regular smells make some people sick. People who feel sick when they smell and overpowering perfume may not necessarily be allergic, but may have a condition that results in the inability to get used to smells. Usually your smell perceptions diminish rapidly, for example when you walk into someone else's house or get into a new car you notice a different smell immediately. After a while, most people stop noticing them. However, some people have a chemical intolerance which means that the smells continue to be present.