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.
Observe the smell. If it is possible and safe to do so, smell what you wish to describe. Pay full attention to it. Remove distractions. Don't smoke or wear fragrances or drink strongly scented beverages. Take breaks. The sense of smell acclimates or becomes accustomed to a smell.