biological water treatment units, namely, microsieving units, filtration units, ozonization units

Chemicals for the manufacture of perfumes, cosmetics, shampoos, soaps, detergents, deodorants for personal use and deodorants other than for personal use; chemical products for the manufacture of compositions for perfumery, cosmetics, shampoos, soaps, detergents, deodorants for personal use and deodorants other than for personal use

Heat exchangers for portable heaters