Lawn Damage. Dogs can damage a lawn in more ways than one: they dig, they chew, they roll and run. Their feces can mar the beautiful green landscape, but the worst damage comes from dog urine, not feces. Dog urine is high in nitrogen, good in small amounts, but bad when your dog chooses the same spot again and again.awn Damage. Dogs can damage a lawn in more ways than one: they dig, they chew, they roll and run. Their feces can mar the beautiful green landscape, but the worst damage comes from dog urine, not feces. Dog urine is high in nitrogen, good in small amounts, but bad when your dog chooses the same spot again and again.
OFA: Ontario Film Association (Canada) OFA: Ontario Forestry Association (Canada) OFA: Ohio Fire Academy (est. 1978) OFA: Ohrid Framework Agreement (est. 2001) OFA: Obama for America: OFA: Office for the Aging: OFA: Office for the Arts (Harvard University; Cambridge, MA) OFA: Office of Family Assistance: OFA: Office of Federal Activities: OFA
The American Association of Medical Assistants (AAMA) The AAMA runs a national certification examination for eligible graduates of medical assistant training programs. If they pass the AAMA exam, they will be awarded the credential of Certified Medical Assistant, CMA (AAMA). If you become a Certified Medical Assistant you will have gained a nationally recognized credential in the medical assisting field. The abbreviation for this title is CMA (AAMA).