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