I1 N:
I2 G:

I1 = Name
I2 = It replaces ("" mean same)
N: Needs
G: Gives


VILLAGE-------------------N: NONE
""------------------------------G: MINERS

FARM------------------------N: NONE
""------------------------------G: MINERS

GOLD MINE--------------N: MINERS
FOREST-------------------G: GOLD

COAL MINE---------------N: MINERS
""------------------------------G: COAL

IRON MINE---------------N: MINERS
""------------------------------G: IRON

QUARRY-------------------N: MINERS
""------------------------------G: SILICON

OIL SANDS---------------N: NONE
OIL WELLS---------------G: 2 CRUDE, SILICON

IRON REFINERY-------N: SILICON, IRON
""------------------------------G: STEEL

POWER PLANT---------N: COAL/CRUDE
"" -----------------------------G: ELECTRICITY

MOTOR FACTORY-----N: ELECTRICITY, STEEL, CRUDE
CHEM PLANT------------G: MOTORS

PROCESSOR FACT---N: SILICON, GOLD
""------------------------------G: PROCESSORS

OIL REFINERY----------N: CRUDE, MOTORS
""------------------------------G: OIL, FUEL

MACHINE FACT--------N: STEEL, PROCESSORS, MOTORS
""------------------------------G: MACHINES

ALUMINUM REF-------N: SILICON, COAL
STEEL MILL-------------G: ALUMINUM, ELECTRICITY

CAR FACTORY---------N: ALUMINUM, MOTORS, 2 OIL
FOOD PROCESS------G: CARS

MATERIAL ASSEM---N: ALUMINUM, 2 STEEL
CONST MATERIAL----G: CONSTRUCTION MATERIALS

GAS STATION-----------N: FUEL, CARS
""------------------------------G: GOLD, MINERS

JEWELLERY FACT----N: 2 GOLD, ALUMINUM
SAW MILL-----------------G: JEWELLERY

ELECTRONIC FACT--N: ALUMINUM, ELECTRICITY, PROCESSORS
GOODS FACT-----------G: ELECTRONICS