While child labor as a whole, is seen as inadequate and inappropriate for minors below the legal minimum age, the United Nations consider some forms of child labor asparticularly harmful and cruel and should be tackled with priority.
Convention No. 182, 1999, applies in this case all children under 18 years, ranks as the worst forms of child labor, slave labor or semi-slave (in a condition analogous toslavery), the work involved in sale and trafficking of children, debt bondage, the use ofchildren or adolescents in armed conflict, prostitution and child pornography, the use of children for illicit activities, such as the production and trafficking of drugs and the workthat may harm health, safety or morals of the child.
In Brazil, some of the particularly harmful forms of child labor are working in cane fields,in coal mines in funilarias in cutlery (where they manufacture cutting tools), and in metallurgy from the hot ovens, among others.