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2. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   The term fine adjustment screw typically refers to screws with threads from 40–100 TPI (Threads Per Inch) (0.5 mm to 0.2 mm pitch) and ultra fine adjustment screw has been used to refer to 100–254 TPI (0.2 mm to 0.1 mm pitch). These screws are most frequently used in applications where the screw is used to control fine motion of an object.

3. Particle board - Wikipedia

   en.wikipedia.org/wiki/Particle_board

   Particleboard with veneer. Particle board, also known as particleboard or chipboard, is an engineered wood product, belonging to the wood-based panels, manufactured from wood chips and a synthetic, mostly formaldehyde based resin or other suitable binder, which is pressed under a hot press, batch- or continuous- type, and produced. [1]

4. Robertson screw - Wikipedia

   en.wikipedia.org/wiki/Robertson_screw

   Robertson screwdrivers are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken. [3]: 85–86 They also allow the use of angled screwdrivers and trim-head screws. The socket-headed Robertson screws are self-centering and reduce cam out. They also stop a power tool when set, and can be more easily ...

5. Biden commutes sentences of 37 of 40 inmates on federal death row

   www.aol.com/news/biden-commutes-sentences-37-40...

   WASHINGTON (Reuters) -U.S. President Joe Biden on Monday commuted the sentences for 37 out of 40 federal inmates on death row, converting them to life in prison without parole before he hands over ...

6. 'Dangerous territory': Trump's unsecured calls with world ...

   www.aol.com/dangerous-territory-trumps-unsecured...

   The State Department has been shut out of Donald Trump's calls with world leaders, raising concerns about confusion over U.S. foreign policy.

7. Russia tells its citizens: avoid travel to the West - AOL

   www.aol.com/news/russia-tells-citizens-avoid...

   MOSCOW (Reuters) -Russia said on Wednesday that relations with Washington were so confrontational that Russian citizens should not visit the United States, Canada and some EU countries in coming ...

8. Self-tapping screw - Wikipedia

   en.wikipedia.org/wiki/Self-tapping_screw

   Self-tapping screws have a wide range of tip and thread patterns, and are available with almost any possible screw head design. Common features are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended substrate, often case-hardened. [1]

9. Set screw - Wikipedia

   en.wikipedia.org/wiki/Set_screw

   A set screw is often headless and threaded along its entire length, so that it will sit entirely inside that hole; in which case it may be called a grub screw or blind screw. Once fully and firmly screwed into the first object, the projecting tip of the set screw presses hard against the second object, acting like a clamp .