Vocabulary consisting only from characters you are able to read
工夫
くふう
(1)scheme, device, scheming, devising, figuring out, coming up with, solving ingeniously, (2)dedication to spiritual improvement (esp. through Zen meditation); (sens) labourer, laborer, blue-collar suru
主な
おもな
chief, main, principal, importantmix
商売
しょうばい
trade, business, commerce, transaction, occupationjlpt3, suru