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  2. Exploration diamond drilling - Wikipedia

    en.wikipedia.org/wiki/Exploration_diamond_drilling

    Exploration diamond drilling differs from other geological drilling (such as Reverse Circulation (RC) Drilling [3]) in that a solid core is extracted from depth, for examination on the surface. The key technology of the diamond drill is the actual diamond bit itself. [4] It is composed of industrial diamonds set into a soft metallic matrix.

  3. Mayo Clinic Health System - Wikipedia

    en.wikipedia.org/wiki/Mayo_Clinic_Health_System

    It is owned by Mayo Clinic and was founded in 1992. The organization focuses on providing medical care in rural communities in Minnesota, Iowa, and Wisconsin. As of 2022, its facilities include 16 hospitals, 53 multispecialty clinics and one mobile health clinic. [2] The President of Mayo Clinic Health System is Prathibha Varkey (since August ...

  4. Core drill - Wikipedia

    en.wikipedia.org/wiki/Core_drill

    A modern core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills used in metal are called annular cutters. Core drills used for concrete and hard rock generally use industrial diamond grit as the abrasive material and may ...

  5. Mayo Clinic - Wikipedia

    en.wikipedia.org/wiki/Mayo_Clinic

    Mayo Clinic is a nonprofit hospital system with campuses in Rochester, Minnesota; Scottsdale and Phoenix, Arizona; and Jacksonville, Florida. [22] [23] Mayo Clinic employs 76,000 people, including more than 7,300 physicians and clinical residents and over 66,000 allied health staff, as of 2022. [5]

  6. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    The brad point drill bit (also known as lip and spur drill bit, and dowel drill bit) is a variation of the twist drill bit which is optimized for drilling in wood. Conventional twist drill bits tend to wander when presented to a flat workpiece. For metalwork, this is countered by drilling a pilot hole with a spotting drill bit.

  7. Drill - Wikipedia

    en.wikipedia.org/wiki/Drill

    Countersink Drill Bits – a drill bit to create a wide opening for a screw; High-Speed Drill Bits – these are drill bits made to be very strong and therefore are often used to cut metals; Spade drill Bits – spade-shaped drill bits used primarily to bore holes in softwoods; Hole Saw – a large drill bit with a jagged edge, ideal for ...