Science: Insulation

insulation

Insulation
insulation

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