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2. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   An 1/8 inch left-hand drill bit. Left-hand bits are almost always twist bits and are predominantly used in the repetition engineering industry on screw machines or drilling heads. Left-handed drill bits allow a machining operation to continue where either the spindle cannot be reversed or the design of the machine makes it more efficient to run ...

3. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   A version with left-hand threads is called an Opsit screw, where unscrewing can be done by turning the screwdriver clockwise, which is the opposite of tri-wing and regular screws. [ 92 ] [ 93 ] The design was adopted by some parts of the aerospace industry, led by Lockheed in the early 1970s on the L-1011 , but met with mixed results due to ...

4. Gimlet (tool) - Wikipedia

   en.wikipedia.org/wiki/Gimlet_(tool)

   A gimlet is a hand tool for drilling small holes, mainly in wood, without splitting. It was defined in Joseph Gwilt's Architecture (1859) as "a piece of steel of a semi-cylindrical form, hollow on one side, having a cross handle at one end and a worm or screw at the other".

5. Diabetes rates have quadrupled since 1990 — these are the 4 ...

   www.aol.com/diabetes-rates-quadrupled-since-1990...

   The number of people living with diabetes worldwide has quadrupled in the past two decades, with 830 million people diagnosed as of 2022. Experts weigh in on the risk.

6. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   This is particularly useful for small screws, which are otherwise very difficult to attempt to handle. Many screwdriver designs have a handle with a detachable tip (the part of the screwdriver that engages the screw), called bits as with drill bits. This provides a set of one handle and several bits that can drive a variety of screw sizes and ...

7. The best books to look out for in 2025, from Chimamanda Ngozi ...

   www.aol.com/news/best-books-look-2025-chimamanda...

   A group of pupils are left reeling when they learn of the sudden death of a beloved teacher, tragic news that only exacerbates the tensions in the teenagers’ fraught friendships and tentative ...