text: convention and ratified Convention No. 58)Date of ratification 20 May 1937 17 August 1948 16. Medical Examination of Young Persons (Sea) Convention 19219 March 1938 58. Minimum Age (Sea) Convention (Revised) 1936 90. Night Work of Young Persons (Industry) Convention (Revised) 1948 112. Minimixn Age (Fishermen) Convention 1959 123. Minimum Age (Underground Work) Convention 1965 (Minimum age specified: 16 years)18 July 1952 20 June 1956 9 August 1961 29 August 1968 E/1986/3/Add.l3 page 26 124. Medical Examination of Young Persons (Underground Work) Convention 196529 August 1968 140. Convention concerning Paid Educational Leave, 197417 February 1977 E/1986/3/Add.l3 page 27 II. ARTICLE 11 A. Right to an adequate standard of living 123. The 1917 Constitution not only represented a true synthesis of the Mexican nation's way of thinking but also, embodying social rights in a constitutional text for the first time, asserted as an objective of the nation's efforts under that Constitution "the continuous economic, social and cultural betterment of the people" (Article 30). 124. Along the same lines Article 27 stated "The nation shall have the right at all times to impose on private property ways of acting dictated by the public interest as well as the right to regulate, for the benefit of society, the exploitation of natural assets liable to appropriation, with a view to making an equitable distribution of the common wealth, ensuring its conservation, achieving balanced development of the country, and improving the living conditions of the people in town and coiontryside". 125. Arising from this. Article 25 provides that "it is for the State to direct national development in order to ensure that it is integrated, strengthens the sovereignty of the Nation and its democratic system of government and, by encouraging economic growth and employment and a juster 
analysis: The text appears to be a collection of international labor conventions and excerpts from the Mexican Constitution, focusing on labor rights, social welfare, and economic development. The conventions relate to topics such as minimum age, medical examinations, and paid educational leave, while the Constitution excerpts emphasize the importance of social and economic development, as well as the regulation of private property for the public interest. This suggests that the text is primarily concerned with employment and labor issues, as well as the broader economic and social context in which they operate.