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.
And yet the fragrance industry has never turned up its nose at the riper aspects of human, and inhuman, existence. Many classics contain more than a glimpse of something nasty in the woodshed. Roja Dove, author of The Essence Of Perfume, says, The sense of smell developed in living organisms to help us find food, escape danger and locate a mate. There is no avoiding it: our attitude to scent is primitive, base, animal.