An interesting substitute is about as representative of the side view is that during the development of the second generation of tower cranes, navigation system. We found that, under the system of tower crane practitioner development and entrepreneurship, we rotate the building rather than rotate the panchan in the side view when a tower crane rotate. The reason is that if you rotate the panchan, in sometimes very confused, saying that their jeep is luffing tower crane folding up or tower crane is rotated, because every corner of luffing sipping from a side view, yopriang sentences.
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