Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
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
火力
かりょく
heating power, steam powermix
男女
だんじょ
man and woman, men and womenmix
主な
おもな
chief, main, principal, importantmix