| Pliers are hand tools, designed primarily
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| | Industrial Tools pliers
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| for gripping objects by using leverage.
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| | Gripping pliers (used to improve grip)
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| Pliers are designed for numerous purposes
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| | Combination pliers or lineman's pliers
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| and require different jaw configurations
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| | Flat nose pliers
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| to grip, turn, pull, or crimp a variety
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| | Round nose pliers
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| of things. They are a tool common to many
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| | Long-nose or needle-nose pliers, which
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| dexterous trades and occupations. Many
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| | have long, narrow jaws for gripping in
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| types of pliers also include jaws for
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| | confined spaces
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| cutting.
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| | Water pump or channel lock pliers - with
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| History
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| | adjustable jaw sizes, which are designed
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| Pliers were first invented in Europe
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| | to grip various sizes of round, hexagon,
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| around 2000 BC to grip hot objects
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| | flat or similarly shaped objects
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| (principally iron as it was being forged
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| | Retaining ring or circlip pliers, which
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| on an anvil). Among the oldest
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| | are used for fixing or loosening
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| illustrations of pliers are those showing
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| | retaining rings
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| the Greek god Hephaestus in his smithy.
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| | Locking pliers
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| Today, pliers intended principally to be
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| | Nail pulling pliers - an adaptation of
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| used for safely handling hot objects are
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| | the end nipper used for cutting wire; the
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| usually called tongs. The number of
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| | jaws may be asymmetric, allowing the nail
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| different designs of pliers grew with the
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| | to be pulled out with a rocking motion on
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| invention of the different objects which
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| | the surface in which it is imbedded.
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| they were used to handle: horse shoes,
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| | Cutting pliers (used to sever or pinch
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| fasteners, wire, pipes, electrical and
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| | off)
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| electronic components.
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| | Combination pliers or lineman's pliers
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| Design
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| | Diagonal pliers (wire cutters, side
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| The basic design of pliers has changed
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| | cutting pliers or side cutters) not
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| little since their origins, with the pair
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| | really pliers as it is only used for
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| of handles, the pivot (often formed by a
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| | cutting
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| rivet), and the head section with the
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| | Pinching pliers (end nippers)
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| gripping jaws or cutting edges forming
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| | Wire stripping pliers - cuts and removes
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| the three elements. In distinction to
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| | insulation on electrical wire while
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| pair of scissors or shears, the plier's
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| | leaving the wire intact
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| jaws always meet each other at one point.
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| | Needle-nose pliers - designed for
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| In technical terms, pliers are an
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| | gripping, but typically incorporate a
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| instrument that convert a power grip, the
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| | cutter for 'one-tool' convenience.
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| curling of the fingers into the palm of
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| | Crimping pliers
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| the hand, into a precision grip, which
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| | For crimping electrical terminals and
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| directs the power of the hand's grip in a
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| | connectors (solderless connections)
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| precise fashion on the object to be
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| | For crimping metal rings or tags on
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| gripped. The handles are long relative to
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| | livestock
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| the shorter nose of the pliers.
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| | For crimping metal security seals on
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| Therefore, they act as levers,
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| | cargo carriers
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| concentrating and, in effect, amplifying
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| | For crimping an impression on a document
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| the force in the hand's grip on a work
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| | - as in a notary's seal
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| piece.
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| | For crimping laboratory vials
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| Common types
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| | For crimping bottles with sprayer tops,
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| Lock jaw pliers, also called vise grips
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| | such as perfume bottles
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| or "mole grips". NOTE: Vise-Grip is a
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| | Rotational pliers
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| trade name of IRWIN Industrial Tools
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| | developed by NASA engineers to enable an
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| pliers
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| | astronaut to turn a nut in zero gravity.
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| Enlarge
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| | The clamping motion of the hand is
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| Lock jaw pliers, also called vise grips
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| | converted to rotational motion to drive a
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| or "mole grips".
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| | socket wrench
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| NOTE: Vise-Grip is a trade name of IRWIN
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