The first was the invention of cranes for lifting heavy objects made in ancient Greece, archaeologists have found the study of Greek architecture, dating from about 515 BC signs indicate the presence of the machine necessary lift height. Literary conclusive evidence comes later in nearly 200 years in the volume attributed to Aristotle. Jacks really took off, but in ancient Rome, with trispastos. Tread wheel cranes came into use during the Middle Ages and Renaissance, and invented the lever fixed port in the middle Ages as well. Many of these effects are still standing in the historic ports such as Trier, Germany, Copenhagen, Denmark, and Gdansk, Poland. Began many politicians Fame, crane operators , two of the politicians working in the legislative branch of the state government in the state of New Jersey United States of America the same branch of the International Federation for engineers operating work crane operators several British MP and Australia and have a lot of the book in English. Maybe it’s a crane operator ‘s most famous internationally Anna Walentynowicz, although it is famous for its own releases . Anna fought as hard as he was able to improve the situation of human rights and their colleagues in communist Poland , and fired at the end of the day to join the Free Trade Association , including Lech Walesa and other members of the activists . It has become a gathering point for strikes that led to the formation of the Union Solidarity free trade, a key step for Poland .
History about Crane
History about Crane
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