Science: Insulation

insulation

Insulation
insulation

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