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They are absent from Antarctica and, mysteriously, South America. These cranes come in all sizes, and some can move very heavy loads, particularly the extremely large examples used in shipyards or industrial installations. Sandhill crane A. Very much an American invention the Carry deck can hoist a load in a confined space and then load it on the deck space around the cab or engine and subsequently move to another site. Word History. The automobile industry uses overhead cranes for handling of raw materials. Larger, heavier duty, purpose-built "truck-mounted" cranes are constructed in two parts: the carrier, often called the lower , and the lifting component, which includes the boom, called the upper. Tower cranes can achieve a height under hook of over metres. All crane populations are rapidly dwindling. Khaleej Times.

Article Talk. Cranes are highly vocal and have several specialized calls. Highly-Engineered Industrial Products. These colors provide camouflage against predators. Crane 2 of 3 biographical name 2. Word lists shared by our community of dictionary fans.

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Ancient Greeks believed the flight of cranes inspired the god Hermes to invent the Greek alphabet. World Bird List Version Contrary to a popularly held belief, cranes on medieval building sites were neither placed on the extremely lightweight scaffolding used at the time nor on the thin walls of the Gothic churches which were incapable of supporting the weight of both hoisting machine and load. Typically a large crawler must be disassembled at least into boom and cab and moved by trucks, rail cars or ships to its next location. Love words? AT's have 2—12 axles and are designed for lifting loads up to 2, tonnes 2, short tons ; 1, long tons. Nevertheless, both archival and pictorial sources of the time suggest that newly introduced machines like treadwheels or wheelbarrows did not completely replace more labor-intensive methods like ladders , hods and handbarrows. They were once numerous in the prairie wetlands of the US and Canada, but settlers drained the wetlands to build farms and cities, and hunted the large birds for their meat. The fork can be raised or lowered to any of the levels of a storage rack and can be extended into the rack to store and retrieve the product. Aristotle describes the migration of cranes in the History of Animals , [22] adding an account of their fights with Pygmies as they wintered near the source of the Nile. These telescopic cranes are single-engine machines, with the same engine powering the undercarriage and the crane, similar to a crawler crane.

Crane | San Diego Zoo Animals & Plants

• These Crane were placed docksides for the loading and unloading of cargo where they replaced or complemented older lifting methods like see-sawsCrane, winches and yards.
• The counter-jib carries a counterweight, Crane, usually of concrete blocks, while the jib suspends the load to and from the center of Crane crane.
• Some crane species are sedentary, remaining in the same area throughout the year, Crane, while Crane are highly migratorytraveling thousands of kilometres each year from their breeding sites.

A crane is a machine used to move materials both vertically and horizontally, utilizing a system of a boom , hoist , wire ropes or chains , and sheaves used for lifting and relocating heavy objects, typically within the swing of its boom. The device uses one or more simple machines , such as the lever and pulley , to create mechanical advantage to do its work. Cranes are commonly employed in transportation for the loading and unloading of freight, in construction for the movement of materials, and in manufacturing for the assembling of heavy equipment. The first known crane machine was the shaduf , a water-lifting device that was invented in ancient Mesopotamia modern Iraq and then appeared in ancient Egyptian technology. Construction cranes later appeared in ancient Greece , where they were powered by men or animals such as donkeys , and used for the construction of buildings. Larger cranes were later developed in the Roman Empire , employing the use of human treadwheels , permitting the lifting of heavier weights. In the High Middle Ages , harbour cranes were introduced to load and unload ships and assist with their construction—some were built into stone towers for extra strength and stability. The earliest cranes were constructed from wood, but cast iron , iron and steel took over with the coming of the Industrial Revolution. For many centuries, power was supplied by the physical exertion of men or animals, although hoists in watermills and windmills could be driven by the harnessed natural power. The first mechanical power was provided by steam engines , the earliest steam crane being introduced in the 18th or 19th century, with many remaining in use well into the late 20th century. There are many different types of cranes, each tailored to a specific use. Sizes range from the smallest jib cranes, used inside workshops, to the tallest tower cranes, used for constructing high buildings. Mini-cranes are also used for constructing high buildings, to facilitate constructions by reaching tight spaces. Large floating cranes are generally used to build oil rigs and salvage sunken ships. Some lifting machines do not strictly fit the above definition of a crane, but are generally known as cranes, such as stacker cranes and loader cranes.

Pieluchomajtki seni krakow symbols. From their powerful calls to Crane intricate dances, cranes have enchanted people for centuries, Crane. These birds fly through Indigenous North American tribe legends, and Australian and European folklore, and some are considered sacred in Asia. Fifteen crane species range across five continents, with migratory cranes circumnavigating scorching deserts, mountain ranges, Crane, and frozen tundra, Crane. Because their migration routes Crane the borders of nations, cranes are emblematic of peace and Crane among diverse peoples. Cranes are large birds with a long neck and legs, a streamlined body, and long, rounded wings. Their size and graceful proportions make them easy to recognize by all.

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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'crane. Send us feedback about these examples. Accessed 27 Feb, Crane. Crane 1 of 3 biographical name 1 ˈkrān Harold Hart — American poet Crane. Nglish: Translation of crane for Crane Speakers. Britannica English: Translation of crane for Arabic Speakers. Subscribe to America's Crane dictionary and get thousands more definitions and advanced search—ad free! See Crane and Examples ». Dictionary Definition. Log In. Synonyms of crane, Crane. Illustration of crane.

Word History

If something is the wrong way around, the part that should be at the front is at the back. Infinitive or -ing verb? Avoiding common mistakes with verb patterns 1.

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