Vocabulary consisting only from characters you are able to read
万
まん
(num) 10,000, ten thousand, (adv) myriads, alljlpt5
八日
ようか
eight days, the eighth (day of the month)jlpt5, toki
上る
のぼる
(1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans
水力
すいりょく
hydraulic power, water powermix