窑 Strokes Write it Listen 窑 yáo kiln; oven; coal pit HSK 7–9 11 strokes Radical 穴 Ideograph 1 word Built from穴xuécave, den, hole缶fǒuearthen crock or jar; pottery How it worksAn oven 穴 where pots 缶 are fired; 缶 also provides the pronunciation.