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Hardware store. Yarkand.. Hardware (some types also known as household hardware) is equipment, generally used in machines, in construction or in any built good, that can be touched or held by hand such as keys, locks, nuts, screws, washers, hinges, latches, handles, wire, chains, belts, plumbing supplies, electrical supplies, tools, utensils, cutlery and machine parts. [1]
The Moore family firm, the Moore Special Tool Company, independently invented the jig borer (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible accuracy and precision in machine tools (second only to that of ...
Hand tools have been used by humans since the Stone Age, when stone tools were used for hammering and cutting. During the Bronze Age, tools were made by casting alloys of copper and tin. Bronze tools were sharper and harder than those made of stone. During the Iron Age iron replaced bronze
This pioneering use of water power constituted perhaps the first use of mechanical energy. [27] Mechanical devices experienced a major expansion in their use in Ancient Greece and Ancient Rome with the systematic employment of new energy sources, especially waterwheels. Their use expanded through the Dark Ages with the addition of windmills.
Such tools can be used horizontally, as they do not require the assist of gravity to do their work. They typically use a hydraulic motor driving a sealed pneumatic hammer system, as a hydraulically activated hammer would both develop a low strike speed and potentially transfer unacceptable shock loads to the pump system. Contrast this with a ...
Special tools for making crimp connections in electrical and electronic applications are often called crimping pliers or crimpers; each type of connection uses its own dedicated tool. Parallel pliers have jaws that close in parallel to each other, as opposed to the scissor-type action of traditional pliers.