The following uses are permitted in the IP-l District:
(a) Public utilities whether owned publicly or privately.
(b) Research laboratories and facilities.
(c) Heliports.
(d) The assembly, manufacturing, compounding, processing, packaging, treatment or fabrication of bakery goods, candy, ceramics, cosmetics, clothing, electrical and electronic equipment, jewelry, instruments, optical goods, pharmaceuticals, toiletries and food products except fish and meat products, sauerkraut, vinegar, yeast and rendering or refining of fats and oils.
(e) The manufacturing, compounding, assembling, treatment or distribution of articles of merchandise from the following prepared materials: bone, cellophane, canvas, cloth, cork, feathers, felt, fiber, fur, glass, hair, horn, leather, paper, plastics, metals or stones, shell, textiles, tobacco, wood (except planning mills), yarns and those substances or compounds which are not combustible, inflammable, explosive or likely to create fire, radiation or explosive hazards to surrounding property. Except the foregoing, other articles, substances or compounds may be stored and used in reasonable quantities provided such storage and use are permitted and subject to such conditions as the Planning Commission, with the advice and recommendation of the Fire Chief, may deem necessary in the interests of public safety.
(f) Customary accessory uses to any of the foregoing not in conflict with any other provisions of this Zoning Ordinance.
(g) Other uses of the same general character providing that no use which is determined by the Planning Commission to be harmful to the health, safety, and welfare of the Municipality shall be permitted.