Science: Insulation

insulation

Insulation
insulation

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