Vocabulary consisting only from characters you are able to read
研ぐ
togu
(1)to sharpen, to hone, to whet, to grind, (2)to wash (rice), (3)to scour, to polish, to burnish godan, verb, vtrans
右手の法則
migitenohousoku
(Fleming's) right-hand rulemix
開通
kaitsuu
opening, open, taking effect, becoming activesuru