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