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