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Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.
Hook-and-loop fasteners, commonly known as Velcro (a genericized trademark), hook-and-pile fasteners or touch fasteners are versatile fastening devices that allow two surfaces to be repeatedly attached and detached with ease. Invented in the mid-20th century, they are widely used in clothing, accessories, and various industrial and consumer ...
The bell-and-hook coupling system was first introduced in the Cape of Good Hope in 1902, when two CGR Type A 2-6-4T locomotives were acquired as construction engines on the new 2 ft (610 mm) narrow gauge Avontuur Railway which was being constructed out of Port Elizabeth through the Langkloof. In South Africa, these couplers were used on only ...
Center is a standard carabiner rating. Using a carabiner to connect to a rope. A carabiner or karabiner (/ ˌ k ær ə ˈ b iː n ər /), [1] often shortened to biner or to crab, colloquially known as a (climbing) clip, is a specialized type of shackle, a metal loop with a spring-loaded gate [2] used to quickly and reversibly connect components, most notably in safety-critical systems.
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A control structure diagram (CSD) automatically documents the program flow within the source code and adds indentation with graphical symbols. Thereby the source code ...
Ancient Japanese iron kaginawa climbing hook A chain grapnel – used to recover a cable from the seabed. A grappling hook or grapnel is a device that typically has multiple hooks (known as claws or flukes) attached to a rope or cable; it is thrown, dropped, sunk, projected, or fastened directly by hand to where at least one hook may catch and hold on to objects.
A retiarius stabs at a secutor with his trident in this mosaic from the villa at Nennig, c. 2nd–3rd century CE.. A retiarius (plural retiarii; literally, "net-man" in Latin) was a Roman gladiator who fought with equipment styled on that of a fisherman: a weighted net (rete (3rd decl.), hence the name), a three-pointed trident (fuscina or tridens), and a dagger ().