Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
入口
いりぐち
entrance, gate, approach, mouthjlpt5
水力
すいりょく
hydraulic power, water powermix
~中
~ちゅう
in (the middle of), within, during, whilejlpt5