So right now we only have one digging tool. A pick. Any thought about shovels? Steampicks for experienced miners? Dwarves are usually portrayed as machine masters in games and such, so I was thinking that maybe branching out more would be nice. We have steam when water comes in contact with magma, but what if it comes in contact with hot water? Perhaps we can have wood boilers or magma boilers that use either coal/wood fires or the heat of magma to produce steam from an inlet of water. Combined with a brook, this can be a viable way to produce steam without the loss of magma for, say, traps (Hot steam hurts. Seriously. :x )or workshops.
I realize this raises the question of how it would be powered by steam, but honestly as this is a fantasy game... I don't really see how it could be explained in real physics.
Of course, boilers could open up a whole new avenue of innovation. What about dwarven showers? Nobles might want to get clean every once in a while, as dust and grime offends their noble sensibilities or something like that. Steam power could turn turbines and power any number of things. From pumps to automated drills to magma taps... It would open up a previously closed area for us to explore and experiment with.
I'm sure you guys can come up with a bajillion other uses for steam or new digging impements and whatnot.
[EDIT]
Of course, I realize that automation is not necessarily a good thing, and my intent was not to promote the whole "it does it for you" as steam would be, presumably, dangerous and a bit complicated to set up. It's just an idea that I think may have some merit.
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[ November 26, 2007: Message edited by: Zombie ]