(1) - Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; pipes and tubes of metal; safes; ores.
(2) - Building construction.
(3) - Machine tools; machine coupling and belting (except for land vehicles); incubators for eggs.
(4) - Temporary accommodation; veterinary services; legal services; scientific and industrial research; computer programming.
(5) - Magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines and data processing equipment.
(6) - Research services relating to metals being exposed to high wear.
(7) - Linch pins, chain links, sprockets, couplers, clips, nut locks.
(8) - Mechanical engineering services.
(9) - Machine shop services, namely, machining parts.
(10) - Die forging services.
(11) - Heat treatment of forgings, steel and other metals; nitrate treatment facilities.
(12) - Surface treatment and finishing of metals; operation of facilities for the treatment of services; operation of facilities for the coating of surfaces; operation of facilities for the heat treatment of surfaces.