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.
Click here to expedite your passport renewal in 2 weeks or less. Follow the instructions below to download the passport application form DS-82: 1  Right click on the link. 2  Select Save Target As....  Choose the folder where you want to save the form.