HISTORY
ANCIENT GREECE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The crane, which is used to life heavy materials during construction of buildings.
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The cellphone, which is used for communication between people.
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Television, which is used to entertain people.
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The train, which is used for transporting goods, materials and people.
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Detailed explanation-1: -The History of The Crane The concept of cranes originated from pulley systems that were first utilized by ancient Mesopotamians as early as 1500 BC. The first compound pulleys were created by Archimedes of Syracuse around 287 – 212 BC, which he used to lift an entire warship, along with its crew.
Detailed explanation-2: -A mechane (/ˈmɛkəniː/; Greek: , mēkhanḗ) or machine was a crane used in Greek theatre, especially in the 5th and 4th centuries BC.
Detailed explanation-3: -The History Of Ancient Greek Cranes Before the news last week, experts and historians believed that the Greek’s first invented and used a crane-like structure as early as 515 BC. Archaeologists came to this conclusion after finding distinctive cuttings for lifting tongs on the stone blocks of Greek temples.
Detailed explanation-4: -Early cranes were made with simple ropes, which were used to hoist the stones more easily and efficiently. Over time, the Greeks introduced the winch and pulley. The first vestiges of the use of cranes appear in Ancient Greece in the 6th century BC. These are iron tongs marks on the stone blocks of the temples.
Detailed explanation-5: -Cranes in construction are used to lift or lower objects and move them horizontally. Either way, all cranes are equipped with pulleys and cables that are useful when it comes to moving objects around. They are usually temporary structures that are either mounted on a custom-built vehicle or fixed to the ground.