Escalator

An escalator is a transport machine for transporting people, consisting of a staircase whose steps move up or down on tracks that stay the surfaces of the individual steps horizontal.A moving walkway, moving sidewalk, revelator, or moderator is a slow conveyor belt that transports people straightly or on a bigotry in a similar manner to an escalator. In both cases, riders can wander or stand. The walkways are often whole in pairs, one for each direction. Modern escalators have metal steps in a stable loop that moves on tracks. Escalators are typically used in pairs with one going up and the other going down.

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Compact Camera

They include a viewfinder for composition, but use autofocus for focusing and automatic systems for exposure as well. They differ from other types of cameras, except disposables, in that they lack systems for focusing manually. A point and shoot camera, also called a compact camera, is a still camera designed primarily for simple operation.

Most point and shoots have flash units built in. Although flash can be hard to use, it’s the only convenient way to take pictures in most indoor settings. Many cameras have the flash set on top of a long arm, often doubling as a lens cover, to reduce red-eye effect.

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Integrated Circuit

Integrated circuit showing memory blocks, logic and input/output pads around the periphery microchips with a clear window, showing the integrated circuit inside. Note the fine silver-colored wires that connect the included circuit to the pins of the package. A monolithic integrated circuit is a miniaturized electronic circuit that has been manufactured in the surface of a thin substrate of semiconductor material. A hybrid integrated circuit is a miniaturized electronic circuit constructed of human being semiconductor devices, as well as passive components, bonded to a substrate or circuit board. This article is about monumental integrated circuits.

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