What is it?
grain
What are they?
servants
What is it?
merchants
What is it?
craftsmen
What is it?
metal
What is it?
silk
What is it?
cotton
What is it?
mud
What is it?
ruled
What is it?
decorated
What is it?
wool
What are they?
weapons
What is it?
leather
What is it?
china
What is it?
clay
What is it?
stone
What is it?
jewellery
What is it?
brick