The provisions of articles L. 5424-6 to L. 5424-19 are applicable:
1° To workers belonging to the professional activities mentioned by decree no. 59-534 of 9 April 1959 relating to the nomenclature of economic activities under the following numbers:
330.
331.
332 (with the exception of companies manufacturing theatre sets).
333.
334.
335 (excluding 335-2).
336 (excluding 336-22 and 336-23).
337-03.
338.
34 (excluding 348-22 and 348-3).
2° Open-cast quarries extracting materials intended for building and public works and which are directly exploited by building and public works companies.