We are always stunned by engineering wonders when we see them around, tall and big buildings, massive bridges and Delhi’s smile Metro are the few examples which have captivated many since their presence. All these stupendous outcomes have done lot in revamping the face and are yardstick to measure the level of technology. Humans are blessed with the intelligence and thinking which have taken them taken them out of this earth and journey have done through the space ships which is again outcome of human intelligence. Its true that our intelligence have given us the outputs which are making our life paradise but we are blessed with the limited capacity to move loads. But acumen to over come this weakness of ours gave platform to cranes which have emerged as powerful machinery in the field of constructions, transport industry and manufacturing.
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