Vocabulary consisting only from characters you are able to read
水力
すいりょく
hydraulic power, water powermix
手にする
てにする
(1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru
下る
くだる
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
幸せ
しあわせ
happiness, good fortune, luck, blessingmix