REDUCED RELATIVE CLAUSES
The glue that was used to hold two pieces together wasn't strong enough.
The glue used to hold two pieces together wasn't strong enough
The Pyramid of Giza, which was built in 2560 BC, is still in good condition.
The Pyramid of Giza, built in 2560 BC, is still in good condition.
The painting which was valued at $10 million was damaged in the fire.
The painting valued at $10 million was damaged in the fire.