Science: Insulation

insulation

Insulation
insulation

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