Science: Insulation

insulation

Insulation
insulation

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