laser beam indicator

  • 71Pliers — For the Jamaican singer, see Pliers (singer). Flat nose pliers Pliers are a hand tool used to hold objects firmly, for bending, or physical compression. Generally, pliers consist of a pair of metal first class levers joined at a fulcrum pos …

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  • 72Combination square — with standard head A Combination Square consisting of the rul …

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  • 73Countersink — A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the… …

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  • 74Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …

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  • 75Die grinder — A pneumatic die grinder with a right angle head. A die grinder is a handheld power tool used to grind, sand, hone, polish, or machine material, typically metal but also plastic or wood. They are usually pneumatically driven, although versions… …

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  • 76Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… …

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  • 77Needlegun scaler — A U.S. Navy Seaman uses a needle gun to remove old paint and corrosion aboard USS Kitty Hawk.[1] A needlegun scaler or needle gun is a tool used in metalwork applications as diverse as home repair, automotive repair and shipboard preservation …

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  • 78Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast …

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  • 79High intensity focused ultrasound — HIFU (high intensity focused ultrasound) (sometimes FUS or HIFUS) is a highly precise medical procedure using high intensity focused ultrasound to heat and destroy pathogenic tissue rapidly. It is one modality of therapeutic ultrasound, and… …

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  • 80Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …

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