La frecuente desproporcin existente entre el coste del producto y su precio de venta: que conlleva alta incertidumbre e inseguridad de obtencin de beneficios a lo que se aade su actual poca sostenibilidad y dignidad econmica en algunas profesiones creativas como la profesin de escritor La utilizacin intensiva de trabajo y capital humano, que es escaso, difcil de sustituir, tiene un periodo de adiestramiento largo y es poco intercambiable
(back to text) 12 FDA Issues Public Warning Against Ma Huang Product, Food Labeling News, 1995;3(22):15 (back to text) 13 General Accounting Office (GAO), Better Regulation of Pesticide Exports and Pesticide Residues in Imported Food is Essential. CED-79 43, Washington, D.C., 1979, .pg11
Tobacco Diseases and pests Control
The damage often begins long before symptoms appear, which is why many smokers believe they are fine until serious complications develop
Storm clouds were brewing, tendrils of rain hung ominously in the west: we needed to get over Selden
For example, in a sample of U.S