bone black, charcoal, chemicals (heavy or industrial), coke, cement (Portland and similar), detergents, soap and by-products using animal fat , fertilizers, fungicides, gas other than nitrogen and oxygen, glass, glue and size, grain milling, graphite, gypsum and other forms of plaster
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.