Science: Insulation

insulation

Insulation
insulation

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