Science: Insulation

insulation

Insulation
insulation

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