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