Science: Insulation

insulation

Insulation
insulation

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