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