Insulation
insulation
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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
| R | R | Z | H | O | T | E | N | A |
| Z | O | E | N | E | R | G | Y | X |
| B | A | T | F | I | R | E | C | Y |
| T | S | V | A | S | P | V | M | R |
| U | W | D | X | L | N | K | P | H |
| E | I | K | L | O | U | A | D | O |
| O | E | E | V | O | T | S | R | F |
| W | N | H | P | Y | C | U | N | T |
| D | G | H | L | O | J | N | N | I |
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