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AGRICULTURAL
ANIMALS
CLOSEDSYSTEM
EARTH
ENVIRONMENT
FARMING
FOSSILFUEL
GLOBAL
HUNTERGATHERER
INDUSTRIAL
LOCAL
MACHINERIES
PLANTS
REGIONAL
REVOLUTION
TECHNOLOGY
| W | R | H | U | U | L | O | M | A | C | H | I | N | E | R | I | E | S | Y | R |
| U | K | H | B | O | E | P | E | C | P | M | Y | G | G | J | J | U | Z | N | N |
| A | D | L | X | W | P | D | T | E | C | H | N | O | L | O | G | Y | N | V | Q |
| W | G | A | H | O | D | W | S | S | D | C | H | K | S | F | O | R | N | R | I |
| S | Z | N | J | U | P | L | Y | J | I | T | A | M | E | H | N | D | P | E | U |
| V | Z | O | U | O | N | V | S | A | R | L | S | B | Q | P | S | L | C | Y | Z |
| I | A | I | L | N | I | T | D | A | K | H | A | H | N | X | V | O | C | H | D |
| L | O | G | G | A | P | V | E | N | V | I | R | O | N | M | E | N | T | N | Z |
| L | A | E | R | O | C | N | S | R | Y | T | N | N | D | Q | V | J | J | V | F |
| Z | E | R | D | A | A | O | O | E | G | R | S | D | S | V | F | I | U | N | X |
| A | B | U | U | L | N | J | L | V | L | A | U | L | U | T | W | N | R | P | D |
| J | F | H | F | T | X | A | C | O | O | N | T | R | X | S | J | C | M | Z | U |
| J | D | U | A | L | L | E | Q | L | B | I | T | H | M | X | T | D | X | C | S |
| U | F | D | R | U | I | U | R | U | A | M | I | K | E | T | J | R | N | N | T |
| I | S | D | M | G | Q | S | C | T | L | A | L | I | L | R | J | L | I | J | N |
| A | O | S | I | Q | P | Y | S | I | X | L | W | L | A | R | E | R | Z | A | A |
| U | S | T | N | A | K | E | L | O | R | S | D | N | H | E | D | R | W | I | L |
| O | Y | S | G | R | Q | E | Z | N | F | G | A | U | H | S | L | V | B | S | P |
| Z | Y | N | A | N | Q | C | R | V | J | E | A | M | Y | C | M | O | I | C | W |
| M | V | R | Z | D | G | L | J | U | L | E | Z | N | U | U | P | L | R | X | J |
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