Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
寝台車 shindaisha sleeping car/sleeperryokou
Aの角は60度である。 e- no kaku ha 60do dearu. The angle A has 60 degrees.math
苦労 kurou troubles, hardshipssuru
返品 henpin returned goodssuru
火山灰 kazanbai volcanic ashshizen