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 T H A I T
R R T H E A T N A
E W B A O R G X F
S M D F L T G V Y
E K P L H U V Y K
D Q E V O T S U N
G R Z H I C M N W
H S R F Q K E M I
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