Science: Insulation

insulation

Insulation
insulation

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