Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
開閉 kaihei opening and shuttingsuru
~円 ~en yenjlpt5
利く kiku (1)to be effective, to show effect, (2)to do its work, to carry out its function well, (3)to be possible to use godan, verb, vintrans
開ける akeru to openichidan, jlpt5, verb, vtrans
明らかな akirakana clearadj