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