Work
This is: transientservice, service
143 terrains use work to make 
hangout, 
defence, 
fish, 
housing, 
roots, 
trade, 
mutton, 
rock, 
clothes, 
pottery, 
shoes, 
cabbage, 
wood, 
pie, 
furniture, 
clay, 
wool, 
bread, 
offence, 
brick, 
garlic, 
cheese, 
leather, 
grapes, 
wheat, 
game, 
balm, 
books, 
yarn, 
flour, 
jewelry, 
medicine, 
instrument, 
rug, 
wine, 
theatre, 
music, 
berries, 
pear, 
copper, 
ale, 
shiitake
103 terrains are built with work
Commodity info
All unused work is lost at the end of the turn.