 It keeps seven labs running red-green-blue research full time with iron and copper hauled in via train.
 It keeps seven labs running red-green-blue research full time with iron and copper hauled in via train.image
Full-size image here. It keeps seven labs running red-green-blue research full time with iron and copper hauled in via train.
 It keeps seven labs running red-green-blue research full time with iron and copper hauled in via train.

 I started out making a factory just for blue, then decided to tack on new and improved red/green production lines and move the labs.
 I started out making a factory just for blue, then decided to tack on new and improved red/green production lines and move the labs.