Vocabulary consisting only from characters you are able to read
人
hito
man, person, human being, mankindhito, jlpt5
水力
suiryoku
hydraulic power, water powermix
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