Science: Insulation

insulation

Insulation
insulation

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