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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. Screwfix - Wikipedia

   en.wikipedia.org/wiki/Screwfix

   Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .

6. USC study finds connection between pollution and decreased ...

   www.aol.com/usc-study-finds-connection-between...

   A recent study by the University of Southern California revealed that exposure to air pollution can harm children's learning and memory, the LA Post reports. Ammonium nitrate, a specific component ...

7. 2 sisters, 7 years apart in age, also receive heart ... - AOL

   www.aol.com/2-sisters-7-years-apart-014624517.html

   CHICAGO (CBS) -- Two sisters have grateful hearts after they both received heart transplants at the same age—seven years apart. Younger sister Meredith Everhart and older sister Abbey Cannon are ...