Vocabulary consisting only from characters you are able to read
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
下ろす
orosu
(1)to take down (e.g. flag), to launch (e.g. boat), to drop, to lower (e.g. ladder), to let (a person) off, to unload, to discharge, (2)to drop off (a passenger from a vehicle), to let (a person) of godan, verb, vtrans
水力
suirjoku
hydraulic power, water powermix