What is the purpose of the hole between the two hooks on larger

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5ft High Keystone Retaining wall. Design will defer as per Soil and Loading Conditions : r/landscaping

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678 best r/cranes images on Pholder Camera on the block useful or not ?

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Firehole, a modest foundry furnace, forge & glory hole

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Handy man's workshop and laboratory . sed through ahole at the center of the front brace and bent to form a hook. Another piece of stiff wire is bent to form a

Saw this bent steel at a road construction site. Any idea on what it is called and it's purpose? : r/civilengineering