Science: Insulation

insulation

Insulation
insulation

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