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HP-GL (Hewlett-Packard Graphics Language)

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The Hewlett-Packard Graphics Language (HP-GL) is a vector graphics language used for specifying and controlling the graphics output of Hewlett-Packard plotters. It was developed in the 1970s and has been used on a variety of HP plotters and printers. HP-GL consists of a set of commands for specifying graphical objects, such as points, lines, arcs, … Read more

Watt

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A watt is a unit of power, specifically it is one joule of energy per second. It is named after James Watt, the inventor of the steam engine. What is a watt in electricity? A watt is a unit of power in the International System of Units (SI). It is defined as 1 joule per … Read more

Rafts, skirts and brims

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Rafts, skirts and brims are all terms used to describe the various parts of a printing plate. The raft is the main body of the plate, while the skirt is the raised edge that surrounds the perimeter of the plate. The brim is the narrow strip of material that runs around the edge of the … Read more

Programmable automation controller (PAC)

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A programmable automation controller (PAC) is a type of controller used in programmable logic controllers (PLCs) to automate industrial processes. PACs are used in a variety of industries, such as manufacturing, oil and gas, food and beverage, and pharmaceuticals. PACs typically have more processing power and memory than PLCs, and they offer more flexibility in … Read more