Pipe threads used in hydraulic circuits can be divided into two types: a) Jointing threads â are pipe threads for joints made pressure tight by sealing on the threads and are taper external and parallel or taper internal threads. The sealing effect is improved by using a jointing compound.
You can renew by mail using Form DS-82 if your most recent passport: 1  Is submitted with your application. 2  Is undamaged (other than normal wear and tear) 3  Was issued when you were age 16 or older.  Was issued within the last 15 years.
Renewal Method. If you don't need your US passport in a hurry, complete the following steps: Complete the U.S. Passport Renewal Application For Eligible Individuals (Form DS-82) in black ink. Be sure to sign and date the form on the first page.