Play word 漉油 漉油 こしあぶら Acanthopanax sciadophylloides (species of flowering plant related to the aralias)
Play word 漉油の木 漉油の木 こしあぶらのき Acanthopanax sciadophylloides (species of flowering plant related to the aralias)
Play word 石油ピーク 石油ピーク せきゆピーク peak oil (date when the peak of the world's petroleum production rate is reached)