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.
Who Can Renew. You may renew your U.S. passport by mail, if all of the following apply to your situation: 1  Your undamaged passport can be submitted with your application. 2  You received your passport within the past 15 years.3  You were at least 16 years old when you were issued the passport.ho Can Renew. You may renew your U.S. passport by mail, if all of the following apply to your situation: 1  Your undamaged passport can be submitted with your application. 2  You received your passport within the past 15 years.