打 打 dǎ Strokes5 Radical 扌 — hand Made of 扌 hand 丁 nail How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation
工 工 gōng Strokes3 Radical 工 — labor, work How it's builtPictograph — a drawing of the thing Play the animation More about the character 工