The power set of a set, S, is the set containing all subsets of S - including S, itself, and the null set.
The Lego Power Miner sets are old sets that were made about from 2007-2009.
HUDABEGA = Plays a diff sound.No5SHINE = Obtain all gems.GotZOOKA = Sets power 4. to have = Use 's' to pull out.FruitUzi = Sets power 5. to have.CAKEWALK = Sets power 8. to have.OLYMPICS = Sets power 10. to have.HALELUYA = Adds 1 live (if lives are less than 98)
the Constitution
So far, there are 16 Main sets, 2 promotional sets, 1 polybag, 4 keychains and a watch
The Constitution.
powerrangers.com have the official listings of the toy, so you might find it there. For older version of the Power Ranger sets you can also try ebay.com
Elements can belong to subsets. Subsets can be elements of sets that are called "power sets".
12 currently. This includes some that haven't yet come out.
Try Symths toy store, Hanleys or any toy store. Many sets are available, with different combinations of power rangers, and lots of other characters. Some sets also come with vehicles.
I recall reading somewhere that there were 1100 sets of Alpha and 4000 sets of Beta printed. I am unsure of how many Unlimited Sets are printed, but you would be able to source one set of the power nine from each Alpha, Beta and Unlimited set.
Industries have their own DG sets to generate power in case state power is not available. This power generators are known as captive generation
One or more steam turbine/generating sets