rotating knife

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• Knife — A knife is a handheld sharp edged instrument consisting of handle attached to a blade used for cutting. The knife is a tool that can be used as a weapon. Its origins date as far back as two and a half million years ago, as evidenced by the… …   Wikipedia

• Knife sharpening — Knives are sharpened by grinding against a hard rough surface, typically stone, or a soft surface with hard particles, such as sandpaper. For finer sharpening, a leather razor strap, or strop, is often used. The smaller the angle between the… …   Wikipedia

• Pocket knife — A pocket knife is a folding knife with one or more blades that fit inside the handle that can still fit in a pocket. It is also known as a jackknife or jack knife.[1][2] Blades can range from 1 cm (1/2 inch) to as much as 30 cm… …   Wikipedia

• Columbia River Knife & Tool — Type Privately Owned Industry Manufacturing Founded 1994 …   Wikipedia

• Balisong (knife) — A balisong, otherwise known as a butterfly knife or a Batangas knife, is a Philippine folding pocket knife with two handles counter rotating around the tang such that, when closed, the blade is concealed within grooves in the handles. In the… …   Wikipedia

• butterfly knife — noun A folding pocket knife with two rotating handles • • • Main Entry: ↑butter …   Useful english dictionary

• jack|knife — «JAK NYF», noun, plural knives, verb, knifed, knif|ing, adjective. –n. 1. a large, strong pocketknife. 2. a kind of dive in which the diver, keeping his knees straight, touches his feet with hi hands in midair and straightens out before entering… …   Useful english dictionary

• Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

• Impalement arts — are a type of performing art in which a performer plays the role of human target for a fellow performer who demonstrates accuracy skills in disciplines such as knife throwing and archery. Impalement is actually what the performers endeavour to… …   Wikipedia

• Can opener — For the grappling hold, see spinal lock#Can opener. A modern opener with a combination of a rotating cutting wheel and a serrated wheel A can opener (also known as a tin opener) is a device used to open metal cans. Although preservation of food… …   Wikipedia

• Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …   Wikipedia