(a) Two functioning and approved fire extinguishers must be provided and kept in close proximity to the stock of fireworks in all permanent buildings where fireworks are stored, sold or displayed for sale.
(b) Small stands, temporarily erected to be used as a place for storing and selling fireworks only, shall have one such fire extinguisher, or in lieu of the fire extinguisher, a pressurized water hose with nozzle end within five feet of the fireworks stand.