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