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