Science: Insulation

insulation

Insulation
insulation

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