gas other than nitrogen and oxygen, glass, glue and size, grain milling, graphite, gypsum and other forms of plaster base , insecticides, insulation, junk, matches, meat and poultry (slaughtering), metals (extraction or smelting), oils and fats, paints, pigments, enamels, japans, lacquers, putty,
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 La Mesa’s own text settles what this covers.