Science: Insulation

insulation

Insulation
insulation

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