Used farm equipment can be purchased at farm auctions, through farm equipment dealers (especially tractors), or found through website listings such as Craigslist or tractorhouse.com. For tractors, combines or other powered equipment the number of hours on the unit is a consideration.
No problem, Beth! A general rule to follow for a follow-up email to an application is to send it between three to five days after you submit the application. You want to give them enough time to receive and possibly review your information.
Complete Application Form DS-4085. The form that you need to complete is Form DS-4085: Application for Additional Visa Pages. The application is only one page and has a burden of 20 minutes although you will probably finish much more quickly. Be sure to fill out the form in black ink and write as legibly as possible.