Risk of fire became a problem because the buildings were so close together and had many valuable goods inside.
There are niches in the northern and southern walls which were used to store valuable goods.
Many valuable goods were carried off and a fire destroyed the building.
For security reasons, you do not always want the carrier to be able to identify valuable goods.
The Production class will give a player the ability to transform resources into valuable goods.
Then of course there's the delivery problem - how do valuable goods get to me when I'm out at work?
He too had expected valuable goods of some kind.
As a consequence, these habitats may no longer be able to provide the ecosystem with their valuable goods and services.
Others are larger, presumably for higher officials to stamp more valuable goods.
In return, it received valuable goods back from those other centers.