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2. Pipe dope - Wikipedia

   en.wikipedia.org/wiki/Pipe_dope

   Petroleum-based pipe dope is not intended for use on threaded PVC, CPVC or ABS pipe and fittings since it will deteriorate the plastic. Builders in the US are expected to use thread compounds that meet ASTM F2331 - Standard Test Method for Determining Chemical Compatibility of Thread Sealants with Thermoplastic Threaded Pipe and Fittings Materials or thread seal tape on PVC, CPVC and ABS threads.

3. Thread restorer - Wikipedia

   en.wikipedia.org/wiki/Thread_restorer

   A thread restorer is a tool used to fix threads on nuts or bolts that have become damaged. One type of thread restorer is a thread restoring file or thread file. [1] There are other types of thread restoring tools as well, for example a chaser tap or chaser die. [2] Normal taps and dies can also be used to clean up a thread, which is called ...

4. Oakum - Wikipedia

   en.wikipedia.org/wiki/Oakum

   Oakum and tools for caulking Hemp Prisoners picking oakum at Coldbath Fields Prison in London. Oakum is a preparation of tarred fibers used to seal gaps. Its traditional application was in shipbuilding for caulking or packing the joints of timbers in wooden vessels and the deck planking of iron and steel ships. [1]

5. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Pressend / Female Thread Valve Connection Flange End-Connector Elbow 90°, F/F & F/M Elbow 45°, F/F & F/M Bend 15°, 45°, 75° M/M Coupling Coupling Long Tee Elbow 90° Male Coupling Bend 90° Male Thread Tee Male Union Male Coupling Male Straight Connector Elbow 90° Female Coupling Double Tap Connector 90/90 with Female Thread

6. Tap and die - Wikipedia

   en.wikipedia.org/wiki/Tap_and_die

   With soft or average hardness materials, such as plastic, aluminum or mild steel, common practice is to use an intermediate (plug) tap to cut the threads. If the threads must extend to the bottom of a blind hole, the machinist uses an intermediate (plug) tap to cut threads until the point of the tap reaches bottom, and then switches to a ...

7. Oil filter - Wikipedia

   en.wikipedia.org/wiki/Oil_filter

   An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Their chief use is in internal-combustion engines for motor vehicles (both on- and off-road ), powered aircraft , railway locomotives, ships and boats, and static engines such as generators and pumps.