Nearly 1.5 million children aged between five and 17 were working in Colombia during the third quarter of 2011, driving the child labor rate up to 13 percent.
The decree covers such projects as construction of C section of Kazakhstan-China gas pipeline, linear part of Beineu-Bozoi-Shymkent gas pipeline and the third stage of Zhanazhol gas processing unit.
US Secretary of State Hillary Clinton Friday urged Southeast Asian nations to promote workers' rights and improve labour conditions as a means of spurring economic growth.