Science: Insulation

insulation

Insulation
insulation

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