The Volcano

Nested hint: How can I get to the volcano?
(sorry, cannot decode section)
Hint: How can I get through the entrance?

Hint: How does the round house work?

Hint: How can I fix the broken switch?

Hint: How can I cross the drawbridge?

Hint: How can I repair the broken track?

Hint: How can I get past the grate?

Hint: How can I save the baby?

Hint: How can I get into the crater?

Nested hint: What about the valves near the crater?
(sorry, cannot decode section)