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