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