Since 2003 the Action Group on Erosion, Technology and Concentration has proposed a moratorium, especially for products that contain nanoparticles .
El grupo ETC Action Group on Erosion, Technology and Concentration ha venido proponiendo desde 2003 la moratoria, en especial, para productos que contengan nanopartículas .
O Grupo ETC Action Group on Erosion, Technology and Concentration vem propondo desde 2003 a moratória, em especial, para produtos que contenham nanopartículas.