Treatment of metals or mechanical or chemical transformation of minerals, excluding services of treatment, in any way, of gas and its forms

Quarrying and mining extraction services

Precious metals and their alloys; jewelry, precious stones; jewelry; horological and chronometric instruments

Common metals and their alloys; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; pipes and tubes of metal; cash boxes; metal portable buildings, metal pipes in general, to be used in networks, plumbing and gas pipelines