Translate the given Spanish text to English

Example Input: Therapeutic compositions which comprise at least one epitope are provided.
Example Output: Se proporcionan composiciones terapeuticas que comprenden al menos un epitope.

Example Input: Application to the cosmetic powders.
Example Output: Aplicacion a los polvos cosméticos.

Example Input: The structure of the fencing is impregnated with an insecticide.
Example Output:
La estructura del mosquitero esta impregnada con un insecticida.