Hi:
I am applying for the position of captcha / data entry
I know that experienced and talented data entry workers are an important component of a successful business. Their ability to enter data into a computer, key in text, and perform other clerical tasks is essential to the job. I'd be happy to join your team and add my skill to the pool.
If you'd like to discuss this job further, feel free to set up an interview at a time that works for you. Thank you for considering my cover letter.