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