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