Vocabulary consisting only from characters you are able to read
生かす
いかす
(1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans
水力
すいりょく
hydraulic power, water powermix
九日
ここのか
nine days, the ninth day (of the month)jlpt5, toki
回す
まわす
(1)to turn/to rotate/to gyrate/ (2)to circulate/to send around/ (3)to surround/ (4)to put something to a new use (e.g. leftovers)/(suf,v5s) (5)(after the -masu stem of a verb) ... around (i.e. to ch godan, leda1, verb, vtrans