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