Michina yekuruka anodaidzwawo kunzi michina yekuruka, looms, michini yekuruka donje, nezvimwewo. Michina yekuruka mambakwedza ese aive machira aifambiswa nevarume. Tekinoroji yemuchina wekuruka yakadzidzwa kubva muzana ramakore regumi nepfumbamwe uye yakaunzwa zvishoma nezvishoma kumusika wepasi rose kubva kuma1950s. Yongjin inogadzira mhando itsva dzemhando yepamusoro dzemichina yekuruka uye inodziisa pamusika imwe neimwe. Zvirukwa zvisina shuttleless zvakawana mhedzisiro inoshamisa mukuvandudza machira nekuvandudza kushanda kwemachira, uye anoshandiswa zvakanyanya munyika dzepasirese, uye nekuchimbidza maitiro ekuruka kushandura midziyo.
Yongjin inyanzvi yekugadzira michina yekuruka& vatengesi, ine muchina wekuruka wekutengesa, wakatsaurirwa kugadzira emhando yepamusoro looms, unogamuchirwa kutenga.