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