Science: Insulation

insulation

Insulation
insulation

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