Science: Insulation

insulation

Insulation
insulation

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