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