Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
Class 019
Non-Metallic Building Material Products
Equipment used in the pressure impregnation of wood and in the preparation of wood for pressure impregnation with wood-preserving chemicals and chemical compositions and in association with lumber, plywood, poles, crossties and other forest products impregnated or otherwise treated with chemicals and chemical compositions for the preserving and protecting of wood.