installations for the manufacture on an industrial scale of substances using chemical conversion processes, in which several units are juxtaposed and are functionally linked to one another and which are for the production of basic organic and inorganic chemicals, phosphorous-, nitrogen- or potassium-based fertilizers (simple or compound fertilizers), basic plant health products, biocides, basic pharmaceutical products using a chemical or biological process or explosives, kombinaat - tootmiskoondis, mis ühendab tooraine järjestikuse töötlemise v selle kompleksse kasutamise alusel mitut eri tootmisharu ettevõtet