Science: Insulation

insulation

Insulation
insulation

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