all over the map (but mostly chicago.il.us)
In the trailer industry they use a hole shaped like that that they call a keyhole. It's used for sliding a chain link through to secure a chain. I'd guess the holes are for attaching chains or ropes to what appears to be a boat or bridge.B1-67er
boat is correct.chain is not.
mille sabords!
In the trailer industry they use a hole shaped like that that they call a keyhole. It's used for sliding a chain link through to secure a chain. I'd guess the holes are for attaching chains or ropes to what appears to be a boat or bridge.
ReplyDeleteB1-67er
boat is correct.
ReplyDeletechain is not.
mille sabords!
ReplyDelete