Vocabulary consisting only from characters you are able to read
工学
kougaku
engineeringmix
一回り
hitomawari
(1)one turn, one round, (2)(a) size, (vs) (3)to go around, to make a circuit, to take a turn mix
動力
dourjoku
power, motive power, dynamic forcemix
手入れ
teire
(1)repairs, maintenance, tending, trimming, grooming, (2)crackdown, (police) raid suru
山上
sandžou
mountain topmix