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.
Confidence votes 1.4K. When applying for a US passport renewal, the online form (DS-82) asks you for your Passport Book Number but does not define what this is, exactly. After finding nothing definitive online, I contacted the National Passport Information Center and asked them.(They have a toll free number. It is 1-877-487-2778.onfidence votes 1.4K. When applying for a US passport renewal, the online form (DS-82) asks you for your Passport Book Number but does not define what this is, exactly. After finding nothing definitive online, I contacted the National Passport Information Center and asked them.