For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   INOPERATIVE CONDITION.  Being incapable of being propelled under its own power.
   JUNK.  Any worn-out, cast-off, or discarded article or material which is ready for destruction or has been collected or stored for salvage or conversion to some other use and any unwholesome or combustible substance or material which creates an obnoxious condition and is injurious to health or general welfare of the citizens of this city, including, but not in limitation thereof, appliances that are inoperative.  Portions of junk cars, including, but not limited to, hoods, fenders, radiators, rims, motor parts not being utilized for the repair of a motor vehicle shall be considered as junk. Anything which is or may create a fire hazard shall also be considered junk. Any article or material which, unaltered or unchanged, and without further reconditioning, can be used for its original purpose as readily as when new shall not be considered junk.
   RUBBISH.  Wire, chips, shavings, bottles, broken glass, crockery, tin, cast or wooden ware, hoses, rags, dead weeds, stumps, tree trunks, brush, paper circulars, handbills, boots, shoes, ashes, metal, discarded parts and equipment, or any waste material other than garbage or offal.
(`94 Code, § 90.20)