.TH Concept "Quick Reference Card"
.NA Quick-ref "A quick reference card for sector types"
.LV Basic
.NF
Sector-types:
    BASICS                   INDUSTRIES                MILITARY / SCIENTIFIC
    .  sea                   d  defense plant          t  technical center
    ^  mountain              i  shell industry         f  fortress
    s  sanctuary             m  mine                   r  research lab
    /  wasteland             g  gold mine              n  nuclear plant
    -  wilderness            h  harbor                 l  library/school
    c  capital/city          w  warehouse              e  enlistment center
    p  park                  u  uranium mine           !  headquarters
    COMMUNICATIONS           *  airfield
    +  highway               a  agribusiness           FINANCIAL
    )  radar installation    o  oil field              b  bank
                             j  light manufacturing
    #  bridge head           k  heavy manufacturing
    =  bridge span           %  refinery
.FI
.SA "Sectors"
