Completely factory-built manufactured homes no less than 660 square feet and no more than 1,570 square feet in size and not more than 14 feet in height, hereinafter referred to as "manufactured homes," excluding porches, decks, breezeways and the like, and completely factory-built modular homes no less than 1,000 square feet in size and no more than 18 feet in height, hereinafter referred to as "modular homes," shall be permitted in the park. The word "dwellings," as used in this article, as the text requires, shall refer to both types of homes.