Units can produce materials by explicit action.
ActionType: produce m
This action results in a quantity of material m coming into existence.
Table: acp-to-produce u m -> acp
This table is the acp used up by one produce action.
Defaults to 0.
Table: material-per-production u m -> n
This table is the amount of material produced by u
when acting to produce type m.
Defaults to 0.
Table: material-to-produce u m -> .01n