about the boom hoisting crane construction site and blue sky emphasizing detail sling |
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| navigate by keyword : activity advancement architecture arrangement assembly attachment backdrop background blue boom building cable capacity components configuration construction control crane detail diagram equipment extension guidelines heavy highrise hoist hoisting industry inspection integrity lifting load maintenance mechanism operation operations operator practices procedures progress reeving rigging safety silhouette site skill sky skyline skyward sling standards structural system techniques technology view |
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| about the boom hoisting of crane at construction site and blue sky by emphasizing at boom crane detail and sling. |
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