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.
Complete Passport Renewal Application Form DS-82. The first step to renew a passport is to complete the appropriate application form. The are a couple of ways that you can accomplish this. Complete Form DS-82 Offline. Download, print and then fill out the application offline. Use black ink to do this.