Converts resources into materials or commodities.

Base busy seconds:	400 if logging on forest.	600 if logging on bosk or jungle.	1000 if logging on swamp.
Danger:	Slight.
Required pieces:	Machine-logging or tool.
Required skill:	Logging.
Required appearance:	Laborer.
Pollution created:	Same number as materials or commodities logged.
Waste created:	Same number as materials or commodities logged.