Rather than hand crafting each car one at a time, his are assembled by a line of workers, piece by piece.

不是每次手工打造整辆车 而是让工人一个零件一个零件地组装汽车。

And the second one is entirely made of silk， and it has these hand crafted petals that he painted each petal on.

第二个花瓣完全是丝绸做的，上面有他手工制作的花瓣，每个花瓣上都画有花瓣。

This is a district where old crafts are handed down from father to son.

【father】在这一地区，古老的手艺父子相传。