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