Fixes fire drill volume.

It's two splinters and a string. None of the pieces is even near a
single point of volume.
Good point.
Minor recipe tweak.
More charges!

It really shouldn't wear out *that* fast.
Two sticks.
2x4 fix.
Merge pull request #8742 from Rivet-the-Zombie/size-fix

Firebow numbers/recipe tweak.