Vocabulary consisting only from characters you are able to read
上
うえ
above, on top of, up, upper part, surfacejlpt5
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
火力
かりょく
heating power, steam 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