Correct option is D
A
bent foundation bolt is a type of anchor bolt with a bent or hooked end. It is used to securely attach machinery, equipment, or structural elements to a concrete foundation. The bent or hook shape enhances the bolt's anchoring ability by resisting pull-out forces from the foundation.
The eye foundation bolt has one end of it forged to bend and look like an eye.
Lewis bolt is a tapered bolt used as a removable foundation bolt.
The rag foundation bolt provide stabilities and protect the building.
