40-4-73   PERMITTED USES.
   Provided all the use restrictions of the “I-1” Industrial District are observed, the following uses are permitted: (See Section 40-4-71)
   Assembly, manufacturing or processing of any commodity from semi-finished materials, provided explosives, flammable gases or liquids or live animals are not involved.
   Freight and bus terminals and related mass transportation facilities.
   Research and development facilities not involving explosives, or flammable gases or liquids.
   Service stations.
   Warehousing or wholesaling of goods, except explosives, flammable gases or liquids, or live animals.
   Utility substations.
   Accessory uses in accordance with Section 40-3-15.