Science: Insulation

insulation

Insulation
insulation

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