Storage in bulk of brick, building material, cement, clay products,
coal, contractors' equipment, cotton, food, gravel, hay, ice, iron,
lead, lime, liquor, lumber, machinery, metals, oils, plaster, roofing,
rope, sand, stone, tar, tarred or creosoted products, terra cotta,
timber, wine, wood or wool, provided the property is surrounded with
a solid wall at least eight (8) feet in height. Also, warehouses for
the above.