Science: Insulation

insulation

Insulation
insulation

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