Manufacturing - General This category includes but is not limited to assembly plants, automotive, beds and bedding manufacturing, billboards, bone products, building materials, brushes, ceramics, clay and cement products, doors, drugs, dry goods, electric and electronic products, felt, fiberglass, fur products, furniture, glass, hair products, heating equipment, jewelry, leather products, machine shops, mobile homes and factory-built housing, paper products, plastic products, recreational vehicles, springs, starch, stone products, textiles, tobacco products, tools, uses which manufacture products from recycled materials, welding, wood products, wool and woolen products, wrought iron and similar manufacturing uses. Any such use in this category on lots within 300 feet of residentially zoned property shall be required to mitigate any conditions which are detrimental, or potentially detrimental, to the reasonable use of the residentially zoned property to the satisfaction of the director. This category does not include cement manufacturing, explosives, foundries, paper manufacturing, manufacturing of plastics, or tanning of animal hides. * Note: All such uses within the LI zone shall be conducted within an enclosed building.