(1) All business, service, storage, merchandise, display, repair, and processing shall be conducted wholly within an enclosed building unless authorized by a development variance and, except as otherwise permitted herein, for specified uses such as off-street automobile parking and off-street loading.

(2) Goods sold shall consist primarily of new merchandise, and any goods produced on the premises shall be sold at retail on the premises unless otherwise permitted herein for specified uses.

(3) Processes and equipment employed and goods processed or sold shall be limited to those which are not objectionable by reason of odor, dust, smoke, cinders, gas, noise, vibration, refuse matter, or water-carried waste.

(4) All parcels located partially or completely within the U.S. 41 overlay district or Route 231 overlay district shall comply with the requirements of the U.S. 41 overlay district, the requirements of the Route 231 overlay district, or the requirements of this division 1, whichever is the most restrictive.