Industrial (IN) District. The Industrial (IN) district is established and intended to accommodate heavy manufacturing , fabrication, processing, distribution, storage, research and development, and other industrial uses that may be large-scale or otherwise have extensive exterior movement
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Portsmouth’s own text settles what this covers.