Dear Sirs: For years I have practiced in the field of cleaning houses, factories, buildings and offices for different companies. The reason for my letter is to put myself at your disposal and offer my services if they are of interest to you at this time or in the future. If you wish, I have no problem in personally exposing the services that I can offer you. I am a responsible person, willing to learn every day, attentive and hardworker Thanking you for the attention, and waiting for your pleasant news, receive a cordial greeting, Sincerely, vanessa naranjo