I can't open the gate!

Hint 1 of 10:

You could try picking the lock.

Hint 2 of 10:

But that won't work, since you don't have lockpicks.

Hint 3 of 10:

You'll have to open it some other way.

Hint 4 of 10:

You can burn off the lock.

Hint 5 of 10:

Acid is good for burning off locks.

Hint 6 of 10:

Now all you need is some acid.

Hint 7 of 10:

Did you take the battery from the tractor?

Hint 8 of 10:

Battery acid would work.

Hint 9 of 10:

You need to get the acid out of the battery.

Hint 10 of 10:

Something tells you the small pipe would be good.