Answer:
It because Hephaestus is one of the best preserved of its type in Greece. Built to honour Hephaistos, the patron of metal workers and Athena Ergane, patroness of potters and crafts in general, it was built around the same time as the Parthenon.
And it was an offering from the city of Athens to its tutelary deity. Athena was the tutelary deity of Athens and the goddess of wisdom and warriors.
Step-by-step explanation: