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