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